1 may
architect
assistant
beard
bearded
builder
building
checkered
checkered shirt
construction
day
dig
digging
electrician
engineer
engineering
foreman
guy
handyman
hard hat
hard worker
hardhat
helmet
industry
labor
labor day
laborer
laboring
labour
labour day
labouring
male
male labor
man
manual
mature
may first
occupation
protection
protective
repairman
safety
shovel
spade
uniform
worker
workers day
working hat
workman