英文關鍵字
abseiling
abstract
access
australia
background
beautiful
blanket
boilermaker
building
business
construction
cutting
engineering
equipment
eyes
factory
fire
fitters
footage
fully
harness
height
helmet
high
industrial
industry
isolated
job
labor
lapse
lifting
light
lug
maintenance
man
manufacturing
mask
metal
mine
oxygen
people
performing
person
perth
preparing
production
protection
repair
rise
rope
safety
site
solution
space
steel
structure
technician
technology
time
using
wearing
welder
welding
work