aggregate

billet

blank

closeup

control

detail

engine

equipment

facility

factory

fixing

flange

gear

grip

hand

human

industry

inserting

installing

into

machine

machinery

machining

manual

manufacturing

measurement

mechanical

mechanism

metal

metallic

metalworking

part

process

processing

production

quality

round

shop

silver

special

stainless

steel

technology

tool

unit

vice

wheel

work