1 may
ad
advert
advertisement
advertising
advisor
architect
builder
building
checkered
checkered shirt
construction
copy space
day
demonstrate
engineer
foreman
guy
hard hat
hard worker
hardhat
helmet
labor
labor day
laborer
laboring
labour
labour day
male
male labor
man
may first
offer
offering
pointing finger
presentation
presenting
presenting product
product proposal
promoting
promotion
protection
protective
safety
showing
worker
workers day