As a Welder, you will need to master following:

• interpret 2D plans
• join metals
• perform metal active gas welding
• perform metal inert gas welding
• perform tungsten inert gas welding
• select filler metal
• shape sheet metal objects
• smooth burred surfaces
• weld in hyperbaric conditions

More generally, a welder is also versed in:

• align components
• apply arc welding techniques
• apply precision metalworking techniques
• cutting technologies
• ensure correct metal temperature
• ensure equipment availability
• flammable fluids
• follow health and safety procedures in construction
• follow safety precautions in work practices
• fuel gas
• handle fuels
• interpret 3D plans
• metal thermal conductivity
• monitor gauge
• operate oxy-fuel welding torch
• operate welding equipment
• perform test run
• quality standards
• recognise signs of corrosion
• remove processed workpiece
• repair metal sheets
• spot metal imperfections
• torch temperature for metal processes
• troubleshoot
• types of metal
• wear appropriate protective gear
• welding techniques

It also helps to know the following:

• 3D printing process
• apply thermite welding techniques
• assemble metal parts
• characteristics of products
• ferrous metal processing
• maintain mechatronic equipment
• maintain robotic equipment
• maintenance of printing machines
• manufacturing of small metal parts
• manufacturing of steam generators
• mechanics of vessels
• non-ferrous metal processing
• operate 3D computer graphics software
• operate oxygen cutting torch
• operate plasma cutting torch
• operate printing machinery
• perform welding inspection
• printing materials
• printing on large scale machines
• types of metal manufacturing processes
• use sheet metal shears
• apply brazing techniques
• apply flux
• apply preliminary treatment to workpieces
• apply soldering techniques
• apply spot welding techniques
• automation technology
• consult technical resources
• determine suitability of materials
• ensure correct gas pressure
• handle gas cylinders
• inspect construction supplies
• keep records of work progress
• maintenance operations
• mark processed workpiece
• mechanics of motor vehicles
• mechatronics
• metal bending techniques
• metal smoothing technologies
• operate automated process control
• operate brazing equipment
• operate oxy-fuel cutting torch
• operate precision measuring equipment
• operate soldering equipment
• perform minor repairs to equipment
• perform product testing
• prepare pieces for joining
• printing techniques
• read standard blueprints
• robotics