英文關鍵字
action
actively
and
background
bark
birch
blade
chainsaw
closeup
cut
cuts
cuttings
day
filings
firewood
flat
fly
form
forms
gap
incision
large
line
log
lumber
make
notch
off
piece
power
powerful
rasping
roaring
saw
sawdust
sawmill
scobs
sharp
slicing
slit
slot
sound
tool
top
tree
trunk
video
view
white
winter
wood
work