機器
action
arboriculture
arborist
bad
blow
calamity
chipper
chipping
chop
cleanup
climatechange
cut
damage
debris
destruction
ecology
environment
equipment
felling
filling
forestry
green
grinding
industrial
industry
leaves
lumber
machinery
man
mulching
professional
recycling
removal
safety
service
shred
shredder
shredding
tree
trim
trimming
truck
urban
waste
wood
work
worker