機器
activity
air
asphalt
backpack
blower
blowing
clean
cleaner
compression
construction
deciduous
device
dirty
dust
electricity
equipment
holding
household
industrial
industry
landscaper
layers
leafblower
machinery
maintenance
male
man
noise
occupation
part
plastic
pressure
professional
protective
rubber
safety
season
seasonal
service
street
tool
uniform
vacuum
wear
wind
wire
work
worker