機器
浜辺
aggregate
blue
cleaner
cleaning
coast
coastline
dirty
dust
duster
dusting
dusty
ecology
equipment
industrial
industry
job
machinery
mechanized
modes of transport
motorized
occupation
russian
sand
sandy
seacoast
semi
semitrailer
shore
special
specialized
sweeper
technical
technics
tractor
trailer
transportation
vehicle
wheeled
work
working