英文關鍵字
blade
circular
construction
cut
cutting
disc
electric
fire
grinder
grinding
hand
handheld
industrial
light
machine
male
man
manual
manufacturing
mechanic
metal
protective
sawing
spark
sparks
steel
technology
tool
work
worker
英文關鍵字
blade
circular
construction
cut
cutting
disc
electric
fire
grinder
grinding
hand
handheld
industrial
light
machine
male
man
manual
manufacturing
mechanic
metal
protective
sawing
spark
sparks
steel
technology
tool
work
worker