alternative
background
business
commodity
construction
ctl
cut
deforestation
ecology
energy
environment
factory
fire
firewood
forest
forestry
fuel
harvest
harvesting
heavy
industrial
industrial background
industry
industry background
landscape
log
logging
lumber
machinery
material
natural
nature
outdoor
pile
pine
rain forest
rainforest
raw
saw
stack
stock
technology
timber
transportation
tree
truck
trunk
vehicle
wood
work