英文關鍵字
accuracy
automatic
bulletproof
business
construction
crime
cutting
edge
electric
engineering
equipment
factory
front
glass
glazier
glove
grinding
heat
indoors
industrial
industry
line
machine
machinery
manual
manufacturing
material
metal
mirrors
modern
processing
production
protection
protective
safety
security
sheet
steel
technology
tempering
tool
window
work
worker
workwear