英文關鍵字
worker
helmet
tablet
device
vest
orange
waistcoat
forest
foreman
control
monitoring
inspection
check
verification
test
examination
review
forestry
engineer
wood
tree
digital
quality
work
observe
technology
nature
outdoor
outside
environment
man
person
people
sunglasses
eyewear
silviculture
sylviculture
arboriculture
plot
holding
hand