Mechanical

Occupations requiring this knowledge

• Millwrights6.55
• Aircraft Mechanics and Service Technicians6.45
• Aviation Inspectors6.42
• Motorcycle Mechanics6.40
• Automotive Service Technicians and Mechanics6.28
• Motorboat Mechanics and Service Technicians6.26
• Farm Equipment Mechanics and Service Technicians6.24
• Mobile Heavy Equipment Mechanics, Except Engines6.23
• Aerospace Engineering and Operations Technologists and Technicians6.19
• Bus and Truck Mechanics and Diesel Engine Specialists6.02
• Heating, Air Conditioning, and Refrigeration Mechanics and Installers5.93
• Geothermal Production Managers5.89
• Wind Turbine Service Technicians5.86
• Hydroelectric Plant Technicians5.84
• Maintenance Workers, Machinery5.82
• Bicycle Repairers5.74
• Avionics Technicians5.73
• Ship Engineers5.68
• Robotics Engineers5.63
• Outdoor Power Equipment and Other Small Engine Mechanics5.61
• Solar Thermal Installers and Technicians5.59
• Drilling and Boring Machine Tool Setters, Operators, and Tenders, Metal and Plastic5.56
• Marine Engineers and Naval Architects5.53
• Biomass Power Plant Managers5.52
• Hydroelectric Production Managers5.48
• Automotive Engineers5.48
• Electrical and Electronics Repairers, Powerhouse, Substation, and Relay5.47
• Electrical and Electronics Repairers, Commercial and Industrial Equipment5.42
• Biofuels Production Managers5.41
• Geothermal Technicians5.40
• Industrial Engineering Technologists and Technicians5.31
• Transportation Vehicle, Equipment and Systems Inspectors, Except Aviation5.30
• Boilermakers5.29
• Solar Photovoltaic Installers5.29
• Automotive Engineering Technicians5.22
• Service Unit Operators, Oil and Gas5.20
• Helpers--Installation, Maintenance, and Repair Workers5.20
• Mechanical Engineering Technologists and Technicians5.19
• Elevator and Escalator Installers and Repairers5.19
• Tool and Die Makers5.16
• Manufacturing Engineers5.15
• Mechanical Engineers5.15
• Control and Valve Installers and Repairers, Except Mechanical Door5.12
• Agricultural Engineers5.10
• Mechanical Drafters5.10
• Rail Car Repairers5.10
• Industrial Engineers5.05
• Sheet Metal Workers5.05
• Electric Motor, Power Tool, and Related Repairers5.05
• Dredge Operators5.03
• First-Line Supervisors of Construction Trades and Extraction Workers5.02
• Roustabouts, Oil and Gas5.01
• Commercial Divers5.01
• Wind Energy Operations Managers5.00
• Robotics Technicians5.00
• Computer Numerically Controlled Tool Operators5.00
• Rotary Drill Operators, Oil and Gas4.94
• Helpers--Carpenters4.92
• Locksmiths and Safe Repairers4.92
• Orthotists and Prosthetists4.90
• Stationary Engineers and Boiler Operators4.90
• Mechatronics Engineers4.86
• Plumbers, Pipefitters, and Steamfitters4.86
• Industrial Machinery Mechanics4.86
• Electronic Equipment Installers and Repairers, Motor Vehicles4.83
• Recreational Vehicle Service Technicians4.83
• Fuel Cell Engineers4.82
• Engineering Teachers, Postsecondary4.81
• Construction Managers4.80
• Power Plant Operators4.79
• Musical Instrument Repairers and Tuners4.77
• Signal and Track Switch Repairers4.77
• Pile Driver Operators4.75
• Medical Equipment Repairers4.75
• Engine and Other Machine Assemblers4.73
• Nuclear Technicians4.69
• Continuous Mining Machine Operators4.69
• Water and Wastewater Treatment Plant and System Operators4.67
• Mechanical Door Repairers4.66
• Fire-Prevention and Protection Engineers4.65
• Electro-Mechanical and Mechatronics Technologists and Technicians4.65
• Logging Equipment Operators4.65
• Watch and Clock Repairers4.64
• Timing Device Assemblers and Adjusters4.64
• Model Makers, Metal and Plastic4.64
• First-Line Supervisors of Mechanics, Installers, and Repairers4.63
• Derrick Operators, Oil and Gas4.60
• Camera and Photographic Equipment Repairers4.59
• Commercial and Industrial Designers4.58
• Nuclear Engineers4.57
• Gas Plant Operators4.57
• Nuclear Power Reactor Operators4.56
• Earth Drillers, Except Oil and Gas4.54
• Electrical and Electronics Installers and Repairers, Transportation Equipment4.53
• Rolling Machine Setters, Operators, and Tenders, Metal and Plastic4.53
• Patternmakers, Metal and Plastic4.52
• Gas Compressor and Gas Pumping Station Operators4.52
• Energy Engineers, Except Wind and Solar4.50
• Insulation Workers, Mechanical4.50
• Chemical Equipment Operators and Tenders4.50
• Aerospace Engineers4.48
• Automotive and Watercraft Service Attendants4.47
• Electrical and Electronic Engineering Technologists and Technicians4.46
• Jewelers and Precious Stone and Metal Workers4.46
• Photonics Technicians4.45
• Manufactured Building and Mobile Home Installers4.45
• Biomass Plant Technicians4.45
• Helpers--Extraction Workers4.44
• Firefighters4.43
• Patternmakers, Wood4.43
• Computer User Support Specialists4.42
• Helpers--Pipelayers, Plumbers, Pipefitters, and Steamfitters4.42
• Materials Engineers4.40
• Home Appliance Repairers4.40
• Environmental Engineers4.38
• Materials Scientists4.38
• Career/Technical Education Teachers, Postsecondary4.38
• Maintenance and Repair Workers, General4.37
• Biofuels Processing Technicians4.37
• Non-Destructive Testing Specialists4.36
• Operating Engineers and Other Construction Equipment Operators4.36
• Water/Wastewater Engineers4.35
• Coil Winders, Tapers, and Finishers4.34
• Crane and Tower Operators4.33
• Wellhead Pumpers4.33
• Microsystems Engineers4.32
• Solar Energy Systems Engineers4.32
• Forging Machine Setters, Operators, and Tenders, Metal and Plastic4.32
• Milling and Planing Machine Setters, Operators, and Tenders, Metal and Plastic4.32
• Rail-Track Laying and Maintenance Equipment Operators4.31
• Riggers4.31
• Tire Repairers and Changers4.30
• Team Assemblers4.30
• Lathe and Turning Machine Tool Setters, Operators, and Tenders, Metal and Plastic4.30
• Multiple Machine Tool Setters, Operators, and Tenders, Metal and Plastic4.29
• Insurance Appraisers, Auto Damage4.28
• Electronics Engineers, Except Computer4.28
• Printing Press Operators4.28
• Petroleum Pump System Operators, Refinery Operators, and Gaugers4.28
• Helpers--Electricians4.27
• Refractory Materials Repairers, Except Brickmasons4.27
• Captains, Mates, and Pilots of Water Vessels4.27
• Environmental Engineering Technologists and Technicians4.26
• Nanotechnology Engineering Technologists and Technicians4.25
• Nanosystems Engineers4.24
• Construction and Building Inspectors4.24
• Solar Energy Installation Managers4.21
• First-Line Supervisors of Firefighting and Prevention Workers4.20
• First-Line Supervisors of Landscaping, Lawn Service, and Groundskeeping Workers4.20
• Carpenters4.20
• Highway Maintenance Workers4.19
• Coin, Vending, and Amusement Machine Servicers and Repairers4.19
• Glass Blowers, Molders, Benders, and Finishers4.19
• Health and Safety Engineers, Except Mining Safety Engineers and Inspectors4.17
• Pump Operators, Except Wellhead Pumpers4.17
• Wind Energy Engineers4.16
• Meat, Poultry, and Fish Cutters and Trimmers4.16
• Tool Grinders, Filers, and Sharpeners4.16
• Model Makers, Wood4.12
• Grinding and Polishing Workers, Hand4.12
• Civil Engineering Technologists and Technicians4.11
• Radio, Cellular, and Tower Equipment Installers and Repairers4.11
• Automotive Body and Related Repairers4.10
• Photonics Engineers4.09
• Precision Agriculture Technicians4.09
• Medical and Clinical Laboratory Technologists4.09
• Chemical Plant and System Operators4.07
• Tire Builders4.06
• Validation Engineers4.05
• Foundry Mold and Coremakers4.05
• Adhesive Bonding Machine Operators and Tenders4.05
• Bioengineers and Biomedical Engineers4.04
• Weatherization Installers and Technicians4.04
• Packaging and Filling Machine Operators and Tenders4.04
• Septic Tank Servicers and Sewer Pipe Cleaners4.03
• Forest Fire Inspectors and Prevention Specialists4.02
• Motorboat Operators4.02
• Hoist and Winch Operators4.02
• Loading and Moving Machine Operators, Underground Mining4.01
• Layout Workers, Metal and Plastic4.01
• Farmers, Ranchers, and Other Agricultural Managers4.00
• Fishing and Hunting Workers4.00
• Explosives Workers, Ordnance Handling Experts, and Blasters4.00
• Recycling and Reclamation Workers3.99
• Cabinetmakers and Bench Carpenters3.98
• Airline Pilots, Copilots, and Flight Engineers3.98
• Facilities Managers3.97
• Electrical Power-Line Installers and Repairers3.96
• Roof Bolters, Mining3.95
• Architectural and Engineering Managers3.93
• Energy Auditors3.93
• Farmworkers, Farm, Ranch, and Aquacultural Animals3.92
• Segmental Pavers3.92
• Metal-Refining Furnace Operators and Tenders3.92
• Chemical Engineers3.91
• First-Line Supervisors of Farming, Fishing, and Forestry Workers3.90
• Machinists3.90
• Audiovisual Equipment Installers and Repairers3.89
• Agricultural Technicians3.88
• Occupational Health and Safety Specialists3.87
• Biofuels/Biodiesel Technology and Product Development Managers3.86
• Computer, Automated Teller, and Office Machine Repairers3.86
• Medical Appliance Technicians3.85
• Commercial Pilots3.85
• First-Line Supervisors of Helpers, Laborers, and Material Movers, Hand3.83
• Hazardous Materials Removal Workers3.82
• Molding, Coremaking, and Casting Machine Setters, Operators, and Tenders, Metal and Plastic3.82
• Railroad Brake, Signal, and Switch Operators and Locomotive Firers3.82
• Occupational Health and Safety Technicians3.81
• Paving, Surfacing, and Tamping Equipment Operators3.81
• Power Distributors and Dispatchers3.81
• Structural Iron and Steel Workers3.80
• Separating, Filtering, Clarifying, Precipitating, and Still Machine Setters, Operators, and Tenders3.80
• Excavating and Loading Machine and Dragline Operators, Surface Mining3.79
• Industrial Production Managers3.78
• Floor Layers, Except Carpet, Wood, and Hard Tiles3.78
• Roofers3.78
• Electrical Engineers3.76
• Aircraft Structure, Surfaces, Rigging, and Systems Assemblers3.76
• Inspectors, Testers, Sorters, Samplers, and Weighers3.73
• Floor Sanders and Finishers3.71
• Helpers--Brickmasons, Blockmasons, Stonemasons, and Tile and Marble Setters3.71
• Brickmasons and Blockmasons3.70
• Telecommunications Equipment Installers and Repairers, Except Line Installers3.69
• Electromechanical Equipment Assemblers3.69
• Glaziers3.66
• Security and Fire Alarm Systems Installers3.66
• Cooling and Freezing Equipment Operators and Tenders3.66
• Woodworking Machine Setters, Operators, and Tenders, Except Sawing3.63
• Wind Energy Development Managers3.62
• Soil and Plant Scientists3.62
• Traffic Technicians3.61
• Tree Trimmers and Pruners3.60
• Computer Numerically Controlled Tool Programmers3.60
• Extruding and Forming Machine Setters, Operators, and Tenders, Synthetic and Glass Fibers3.58
• Furnace, Kiln, Oven, Drier, and Kettle Operators and Tenders3.58
• Sales Engineers3.57
• Automotive Glass Installers and Repairers3.57
• Fallers3.56
• Rail Yard Engineers, Dinkey Operators, and Hostlers3.54
• Biologists3.51
• Pipelayers3.50
• Parts Salespersons3.47
• Construction Laborers3.47
• Telecommunications Line Installers and Repairers3.47
• First-Line Supervisors of Production and Operating Workers3.46
• Cost Estimators3.45
• Ophthalmic Laboratory Technicians3.45
• General and Operations Managers3.44
• Carpet Installers3.44
• Structural Metal Fabricators and Fitters3.42
• Forest and Conservation Technicians3.41
• Electricians3.41
• Government Property Inspectors and Investigators3.40
• Architects, Except Landscape and Naval3.40
• Biochemists and Biophysicists3.40
• Refuse and Recyclable Material Collectors3.40
• Physics Teachers, Postsecondary3.39
• Fence Erectors3.39
• Grinding, Lapping, Polishing, and Buffing Machine Tool Setters, Operators, and Tenders, Metal and Plastic3.39
• Welding, Soldering, and Brazing Machine Setters, Operators, and Tenders3.39
• Geological Technicians, Except Hydrologic Technicians3.38
• Set and Exhibit Designers3.38
• Sawing Machine Setters, Operators, and Tenders, Wood3.38
• Terrazzo Workers and Finishers3.37
• Paperhangers3.36
• Range Managers3.35
• Fire Inspectors and Investigators3.35
• Dentists, General3.33
• Etchers and Engravers3.33
• Transportation Inspectors3.32
• Petroleum Engineers3.29
• Electrical and Electronic Equipment Assemblers3.29
• Crushing, Grinding, and Polishing Machine Setters, Operators, and Tenders3.29
• Drywall and Ceiling Tile Installers3.27
• Sailors and Marine Oilers3.27
• Tank Car, Truck, and Ship Loaders3.27
• Paper Goods Machine Setters, Operators, and Tenders3.26
• Insulation Workers, Floor, Ceiling, and Wall3.25
• Plating Machine Setters, Operators, and Tenders, Metal and Plastic3.25
• Print Binding and Finishing Workers3.25
• Extruding, Forming, Pressing, and Compacting Machine Setters, Operators, and Tenders3.25
• Food Cooking Machine Operators and Tenders3.24
• Railroad Conductors and Yardmasters3.24
• Quality Control Analysts3.23
• Potters, Manufacturing3.23
• Motion Picture Projectionists3.21
• Cutting and Slicing Machine Setters, Operators, and Tenders3.21
• Coating, Painting, and Spraying Machine Setters, Operators, and Tenders3.20
• Telecommunications Engineering Specialists3.19
• Dental Laboratory Technicians3.19
• Welders, Cutters, Solderers, and Brazers3.18
• Machine Feeders and Offbearers3.18
• Stonemasons3.17
• Textile Winding, Twisting, and Drawing Out Machine Setters, Operators, and Tenders3.16
• Heavy and Tractor-Trailer Truck Drivers3.16
• Transportation Engineers3.14
• Food Batchmakers3.13
• Human Factors Engineers and Ergonomists3.10
• Audio and Video Technicians3.09
• Broadcast Technicians3.09
• Nurse Anesthetists3.07
• Environmental Science and Protection Technicians, Including Health3.05
• Textile Cutting Machine Setters, Operators, and Tenders3.05
• Stone Cutters and Carvers, Manufacturing3.05
• First-Line Supervisors of Material-Moving Machine and Vehicle Operators3.05
• Conservation Scientists3.04
• Nuclear Monitoring Technicians3.04
• Environmental Science Teachers, Postsecondary3.02
• Animal Breeders3.02
• Locomotive Engineers3.00
• Physical Medicine and Rehabilitation Physicians2.99
• Fiberglass Laminators and Fabricators2.98
• Molders, Shapers, and Casters, Except Metal and Plastic2.98
• Tapers2.97
• Photographic Process Workers and Processing Machine Operators2.97
• Hydrologists2.96
• Food Scientists and Technologists2.95
• Furniture Finishers2.95
• Conveyor Operators and Tenders2.95
• Costume Attendants2.94
• Rock Splitters, Quarry2.94
• Cutting, Punching, and Press Machine Setters, Operators, and Tenders, Metal and Plastic2.94
• Museum Technicians and Conservators2.93
• Farmworkers and Laborers, Crop, Nursery, and Greenhouse2.91
• Pesticide Handlers, Sprayers, and Applicators, Vegetation2.90
• Fabric and Apparel Patternmakers2.90
• Forest and Conservation Workers2.89
• Technical Writers2.88
• Opticians, Dispensing2.88
• Civil Engineers2.85
• Career/Technical Education Teachers, Middle School2.85
• Logistics Engineers2.83
• Agricultural Equipment Operators2.83
• Recycling Coordinators2.83
• Airfield Operations Specialists2.83
• Architecture Teachers, Postsecondary2.82
• Fish and Game Wardens2.80
• Cleaning, Washing, and Metal Pickling Equipment Operators and Tenders2.80
• Chemistry Teachers, Postsecondary2.78
• Craft Artists2.78
• Athletes and Sports Competitors2.78
• Architectural and Civil Drafters2.77
• Electrical and Electronics Drafters2.77
• Hearing Aid Specialists2.77
• Mixing and Blending Machine Setters, Operators, and Tenders2.77
• Postmasters and Mail Superintendents2.76
• Landscaping and Groundskeeping Workers2.76
• Quality Control Systems Managers2.75
• Zoologists and Wildlife Biologists2.75
• Heat Treating Equipment Setters, Operators, and Tenders, Metal and Plastic2.75
• Helpers--Roofers2.74
• Chemists2.73
• Cargo and Freight Agents2.73
• Agricultural Sciences Teachers, Postsecondary2.72
• Sound Engineering Technicians2.72
• Log Graders and Scalers2.72
• Medical Equipment Preparers2.71
• Security Managers2.70
• Foresters2.70
• Shoe and Leather Workers and Repairers2.70
• Bridge and Lock Tenders2.70
• Wholesale and Retail Buyers, Except Farm Products2.69
• Mining and Geological Engineers, Including Mining Safety Engineers2.69
• Shuttle Drivers and Chauffeurs2.69
• Oral and Maxillofacial Surgeons2.68
• Meter Readers, Utilities2.67
• Environmental Compliance Inspectors2.65
• Upholsterers2.65
• Water Resource Specialists2.64
• Microbiologists2.64
• Cement Masons and Concrete Finishers2.64
• Helpers--Production Workers2.64
• Security Management Specialists2.63
• Geodetic Surveyors2.63
• Surgical Assistants2.63
• Forestry and Conservation Science Teachers, Postsecondary2.62
• Endoscopy Technicians2.62
• Chefs and Head Cooks2.62
• Bus Drivers, School2.61
• Plasterers and Stucco Masons2.60
• Computer Hardware Engineers2.59
• Farm and Home Management Educators2.59
• Transportation, Storage, and Distribution Managers2.57
• Buyers and Purchasing Agents, Farm Products2.57
• Packers and Packagers, Hand2.57
• Geoscientists, Except Hydrologists and Geographers2.56
• Anesthesiologist Assistants2.56
• Property, Real Estate, and Community Association Managers2.55
• Graders and Sorters, Agricultural Products2.55
• Aircraft Cargo Handling Supervisors2.55
• Network and Computer Systems Administrators2.54
• Radiation Therapists2.54
• Natural Sciences Managers2.53
• Supply Chain Managers2.52
• Sustainability Specialists2.52
• Computer Systems Engineers/Architects2.52
• Media Programming Directors2.52
• Cytogenetic Technologists2.52
• Medical and Clinical Laboratory Technicians2.52
• Reinforcing Iron and Rebar Workers2.51
• Textile Knitting and Weaving Machine Setters, Operators, and Tenders2.51
• Landscape Architects2.50
• Surveyors2.50
• Biological Science Teachers, Postsecondary2.50
• Audiologists2.50
• Histotechnologists2.48
• Light Truck Drivers2.47
• Veterinary Technologists and Technicians2.46
• Atmospheric, Earth, Marine, and Space Sciences Teachers, Postsecondary2.44
• Interior Designers2.44
• Industrial Ecologists2.43
• Molecular and Cellular Biologists2.42
• Chief Sustainability Officers2.41
• Emergency Management Directors2.41
• Pest Control Workers2.39
• Butchers and Meat Cutters2.39
• Cleaners of Vehicles and Equipment2.39
• Anesthesiologists2.36
• Computer Network Architects2.35
• Animal Scientists2.35
• Camera Operators, Television, Video, and Film2.35
• Information Technology Project Managers2.33
• Shipping, Receiving, and Inventory Clerks2.33
• Agricultural Inspectors2.32
• Funeral Home Managers2.31
• Order Clerks2.31
• Textile Bleaching and Dyeing Machine Operators and Tenders2.31
• Ophthalmic Medical Technologists2.30
• First-Line Supervisors of Food Preparation and Serving Workers2.30
• Pourers and Casters, Metal2.30
• Tile and Stone Setters2.28
• Administrative Services Managers2.25
• Respiratory Therapists2.25
• Food and Tobacco Roasting, Baking, and Drying Machine Operators and Tenders2.24
• Computer Network Support Specialists2.23
• Chemical Technicians2.23
• Computer and Information Research Scientists2.22
• Ambulance Drivers and Attendants, Except Emergency Medical Technicians2.22
• Painters, Construction and Maintenance2.21
• Critical Care Nurses2.19
• Loss Prevention Managers2.18
• Farm Labor Contractors2.18
• Solar Sales Representatives and Assessors2.17
• Food Service Managers2.15
• Purchasing Agents, Except Wholesale, Retail, and Farm Products2.15
• Chiropractors2.15
• Sports Medicine Physicians2.15
• Gambling Managers2.14
• Photographers2.14
• Prosthodontists2.14
• Astronomers2.13
• Security Guards2.13
• Prepress Technicians and Workers2.13
• Magnetic Resonance Imaging Technologists2.10
• Podiatrists2.08
• Surgical Technologists2.06
• Veterinary Assistants and Laboratory Animal Caretakers2.05
• Histology Technicians2.04
• Health Specialties Teachers, Postsecondary2.03
• Urologists2.03
• Extruding and Drawing Machine Setters, Operators, and Tenders, Metal and Plastic2.03
• Diagnostic Medical Sonographers2.02
• Industrial Truck and Tractor Operators2.02
• Brownfield Redevelopment Specialists and Site Managers2.00
• Logisticians2.00
• Food Science Technicians2.00
• Procurement Clerks2.00
• Physicists1.99
• Biological Technicians1.99
• Veterinarians1.99
• Geographic Information Systems Technologists and Technicians1.98
• Subway and Streetcar Operators1.98
• Online Merchants1.96
• Appraisers of Personal and Business Property1.96
• Slaughterers and Meat Packers1.96
• Art, Drama, and Music Teachers, Postsecondary1.95
• Park Naturalists1.94
• Parking Enforcement Workers1.94
• Lifeguards, Ski Patrol, and Other Recreational Protective Service Workers1.93
• Chief Executives1.92
• Appraisers and Assessors of Real Estate1.92
• Regulatory Affairs Managers1.91
• Environmental Restoration Planners1.91
• Orthodontists1.91
• Coroners1.90
• Obstetricians and Gynecologists1.90
• Real Estate Sales Agents1.90
• Sewers, Hand1.90
• Tailors, Dressmakers, and Custom Sewers1.90
• Radio Frequency Identification Device Specialists1.89
• Skincare Specialists1.88
• Driver/Sales Workers1.87
• Ophthalmic Medical Technicians1.86
• Nursing Assistants1.84
• Weighers, Measurers, Checkers, and Samplers, Recordkeeping1.84
• Gem and Diamond Workers1.84
• Emergency Medicine Physicians1.83
• Occupational Therapists1.82
• Office Machine Operators, Except Computer1.82