assembly
bending
clamp
close
construction
crane
destructive
developer
device
engineering
equipment
factory
grippers
hbeam
hook
industrial
industry
iron
job
lifting
lock
manufacture
material
mechanism
metal
metalworker
object
operation
overhead crane
penetrant
plate
porosity
processing
repair
safety clip
sheet
sling
steel
technician
technology
tool
transportation
up
visual
weld
welding
work
worker
workplace
workshop