activity
agriculture
backyard
building
coal
construction
contractor
demolition
dig
digging
dirt
earth
equipment
excavating
garden
gardening
gravel
ground
guy
hand tool
hole
industrial
infrastructure
laboring
landscaping
maintenance
man
manual
occupation
outside
preparation
repair
road
road construction
roadworks
sand
shovel
soil
spade
square shovel
toil
tool
trench
trowel
upgrading
work
worker
working