Ammonia Refrigeration Technician , Appliance Repair Technician , Bulk Coolers Installer , Commercial Service Technician , Field Service Technician , Heating, Ventilation, Air Conditioning / Refrigeration Technician (HVAC / R Technician) , Heating, Ventilation, Air Conditioning Mechanic (HVAC Mechanic) , Heating, Ventilation, Air Conditioning Service Technician (HVAC Service Technician) , Heating, Ventilation, Air Conditioning Technician (HVAC Technician) , HVAC Mechanic (Heating, Ventilation, and Air Conditioning Mechanic) , HVAC Service Technician (Heating, Ventilation, and Air Conditioning Service Technician) , HVAC/R Service Technician (Heating, Ventilation, and Air Conditioning/Refrigeration Service Technician) , Mechanic , Refrigeration Engineer , Refrigeration Installer , Refrigeration Mechanic , Refrigeration Operator , Refrigeration Technician , Refrigeration Unit Repairer , Repair Servicer , Service Technician , Technician , Transportation Refrigeration Technician , VRT Mechanic (Variable Retention Time Mechanic)

Arc and Gas Welder , Arc Welding Machine Operator , Billet Assembler , Braze Operator , Brazing Machine Operator , Brazing Machine Setter , Brazing Machine Setter and Setup Operator , Brazing Machine Tender , Certified Welder , Controlled Atmospheric Furnace Brazer , Electron Beam Machine Welder Setter , Electron Beam Welder Setter , Electron Beam Welding Machine Operator , Electroslag Welding Machine Operator , Explosion Welder , Fabricator , Finishing Technician , Fitter-Welder , Friction Welding Machine Operator , Furnace Brazer , Gas Welding Machine Operator , Induction Brazer , Induction Heating Equipment Setter , Industrial Welder , Laser Beam Machine Operator , Machine Lead Burner , Machine Operator , Machine Welder , Manufacturing Assistant , Manufacturing Associate , Manufacturing Operator , Mig Welder , Operator , Oxygraph Operator , Racking Machine Operator , Racking Technician , Radiagraph Operator , Reflow Operator , Resistance Machine Welder Setter , Resistance Welding Machine Operator , Robot Operator , Robotic Weld Technician , Robotic Welding Operator , Rod Welder , Solder Deposit Operator , Soldering Machine Operator , Soldering Machine Setter , Soldering Machine Setter and Setup Operator , Soldering Machine Tender , Soldering Technician , Spot Welder , Surface Mount Technology Operator (SMT Operator) , Technical Associate (TA) , Thermit Welding Machine Operator , Travograph Operator , Type Soldering Machine Tender , Ultrasonic Welding Machine Operator , Wave Soldering Machine Operator , Weld Technician , Welding Machine Operator , Welding Machine Operator/Tender , Welding Machine Setter , Welding Operator , Welding Pantograph Machine Operator , Welding Pantograph Operator

Adz Worker , Air Breaker Operator , Air Drill Operator , Air Gun Operator , Air Hammer Operator , Air Tool Operator , Aluminum Pool Installer , Asbestos Removal Worker , Asphalt Distributor Tender , Asphalt Heater Tender , Asphalt Layer , Asphalt Patcher , Asphalt Paver , Asphalt Raker , Asphalt Smoother , Asphalt Spreader , Asphalt Tamper , Asphalt Worker , Auxiliary Equipment Tender , Awning Hanger , Awning Maker and Installer , Axman , Batch Dumper , Beller , Bellman , Belter , Beltman , Biofuels Plant Construction Worker , Black Top Raker , Black Topper , Bottom Man , Bottom Worker , Breast Worker , Bridge Builder , Broom Man , Broom Worker , Brush Cutter , Building Cleaner , Bull Float Finisher , Burlap Man , Burlap Worker , Caisson Worker , Cement Based Materials Pump Tender , Cement Breaker , Cement Cutter , Cement Mixer , Chuck Tender , Cinder Crew Worker , Circular Saw Operator , Cleaner , Column Precaster , Concrete Building Assembler , Concrete Buster Operator , Concrete Curer , Concrete Handler , Concrete Layer , Concrete Mixer , Concrete Pourer , Concrete Puddler , Concrete Spreader , Concrete Vibrator Operator , Concrete Worker , Connection Worker , Construction Coordinator , Construction Craft Laborer , Construction Inspector , Construction Laborer , Construction or Leak Gang Laborer , Construction Person , Construction Pit Worker , Construction Technician , Construction Trench Digger , Construction Worker , Core-Drill Operator , Culvert Installer , Curb and Gutter Laborer , Demolition Hammer Operator , Demolition Specialist , Demolition Worker , Demolitionist , Digger , Dirt Shoveler , Ditch Digger , Ditch Repairer , Ditch Rider , Ditcher , Dope Pourer , Dopeman , Doper , Dowel Pin Man , Dowel Pin Worker , Drain Layer , Drapery Hanger , Dredge Pipe Operator , Dredge Pipeman , Drifter , Driller Helper , Drop Crew Laborer , Dust Handler , Earth Mover , Fence Post Driver , Fire Pot Operator , Flare Man , Flare Worker , Form Stripper , General Laborer , Grade Checker , Grade Tamper , Grader , Gravel Screener , Grit Blaster , Grommet Man , Grommet Worker , Ground Hand , Ground Worker , Groundman , Groundsman , Grout Machine Operator , Grout Worker , Groutman , Grunt , Handyman , Helper , High Man , High Worker , Hod Carrier , Hole Digger , Home Performance Laborer , Hose Operator , Hoseman , House Mover Helper , Hydraulic Jack Adjuster , Hydraulic Jack Operator , Hydroblaster , Inserter , Jackhammer Operator , Jet Man , Jet Worker , Jetting Machine Operator , Joint Filler , Joint Sealer , Kettle Firer , Kettle Operator , Kettle Worker , Kettleman , Labor Operator , Labor/Excavator , Laborer , Laborer-Demolition , Laborer-Operator , Laborer/Grade Check , Laborer/Key Man , Land Clearer , Lawn Sprinkler Installer , Liquid Floor and Wall Applier , Macadam Raker , Maintenance Worker , Manhole Stripper , Mastic Man , Mastic Worker , Mat Man , Mat Weaver , Mat Worker , Measurer , Mesh Man , Mesh Worker , Mixer , Mixer Tender , Mixing Plant Dumper , Mop Man , Mop Worker , Mortar Carrier , Mortar Maker , Mortar Man , Mortar Mixer , Mortar Worker , Mud Jack Nozzleman , Municipal Maintenance Worker , Nozzle Operator , Nozzleman , Nuclear Plant Construction Worker , Oil Heater Operator , Oil Heaterman , Paper Steamer , Pick and Shovel Man , Pick and Shovel Worker , Pile Header , Pile Trimmer , Piling Setter , Pin Puller , Pipe Cutter , Pipe Installer , Pipe Line Repairer , Pitman , Plaster Machine Tender , Playground Equipment Erector , Plowman , Plug Drill Operator , Pneumatic Riveter , Pole Setter , Post Framer , Pourer , Powder Loader , Power Washer , Precast Concrete Products Installer , Pressure Washer , Puddler , Pumper Helper , Punch Out Crew Member , Rail Layer , Rail Setter , Right-of-Way Clearer , Right-of-Way Cutter , Right-of-Way Man , Right-of-Way Worker , Riprap Man , Riprap Worker , Rivet Flunky , Riveter , Rock Worker , Rockman , Rod Placer , Rod Puller , Roughneck , Roustabout , Rubble Placer , Sand Blaster , Sand Hog , Sandblast Operator , Sandblaster , Scheduler , Scoop Filler , Screed Person , Screedman , Screedman/Laborer , Service Line Layer , Sewer Builder , Sewer Digger , Sewer Repairer , Shoveler , Sidewalk Repairer , Signaler , Skill Labor , Skilled Laborer , Skip Tender , Sledger , Slip Dumper , Slip Filler , Slip Injector and Applicator , Slipman , Snow Fence Erector , Sounder , Sprayer , Steam Cleaning Machine Operator , Steel Layer , Steel Placer , Steel Post Installer , Stone Breaker , Straightedge Man , Straightedge Worker , Straw Boss , Stripe Marker , Swimming Pool Installer and Servicer , Tagman , Tamper , Tar Kettle Runner , Tar Man , Tar Pot Man , Tar Pot Worker , Tar Worker , Track Repair Laborer , Tuckpointer, Cleaner, Caulker , Tunnel Man , Tunnel Worker , Turntable Man , Turntable Worker , Union Laborer , Venetian Blind Installer , Vibrator Operator , Wagon Winder , Wall Cleaner , Wall Scraper , Wall Steamer , Wall Washer , Wallpaper Cleaner , Wallpaper Scraper , Water Proofer , Well Cleaner , Whitewasher

Aircraft Machinist , Auto Machinist , Automotive Machinist , Automotive Machinist Apprentice , Bench Hand , Carbide Operator , CNC Lathe Machinist (Computer Numerically Controlled Lathe Machinist) , CNC Machinist (Computer Numerically Controlled Machinist) , CNC Mill Machinist (Computer Numerically Controlled Mill Machinist) , Conventional Machinist , Deck Engineer , Development Mechanic , Electrical Experimental Mechanic , Electrical Instrument Maker , Electrical Machinist , Experimental Machinist , Experimental Mechanic , Fitter , Fixture Maker , Fluid-Power Mechanic , Four-Slide Operator , Gear Machinist , Geothermal Heat Pump Machinist , Head Machinist , Hydroelectric Component Machinist , Instrument Maker , Instrument Maker and Repairer , Instrument Maker Apprentice , Jobber , Journeyman Machinist , Laboratory Machinist , Lathe Machinist , Machine Fitter , Machine Operator , Machine Repair Person , Machine Set-Up , Machine Setter , Machine Setup Operator , Machinist , Machinist A , Machinist Apprentice , Machinist Class B , Machinist Mate , Machinist Tool and Die , Machinist-Set-Up , Machinist/Machine Builder , Maintenance Machinist , Maintenance Specialist , Manual Lathe Machinist , Manual Machinist , Master Machinist , Mechanical Laboratory Technician , Mechanist , Metal Machinist , NC Machinist , Outside Machinist , Outside Machinist Apprentice , Precision Instrument Maker , Precision Machine Operator , Precision Machinist , Printing Press Machinist , Production Machinist , Rocket Motor Mechanic , Secondary Set-Up Man , Senior Maintenance Machinist , Set-Up Machinist , Set-Up Operator , Test Technician , Thermometer Maker , Tool and Die Machinist , Tool Machinist , Tool Room Machinist , Toolroom Machinist , Trouble Shooter , Turret Lathe Machinist , Utility Operator , Wind Turbine Machinist