1 may
adjustable
black
business
closeup
construction
dark
dirty
equipment
gloves
grip
hand
handle
hard
hardware
holding
home
industrial
industry
iron
labor day
labor holiday
labourer
manual
mechanic
metal
metallic
old
pincers
pliers
repair
repairman
rusty
screw
service
shiny
sign
silver
spanner
steel
team
technology
tool
used
utility knife
work
worker
workman
wrench