bolt
brown
celebrate
celebration
civil
civil rights
claim
class
color
contemporary
day
employment
event
fastener
force
holiday
international
international workers day
job
labor
labor day
labor force
laborer
labour
labour day
may
may day
message
modern
movement
nut
object
old
profession
professional
rights
rusty
screw
square
text
vindication
work
workers
workers day
working
working class