機器
adult
assembly
bar
business
electric
engineering
equipment
expertise
factory
glasses
gloves
grinder
grinding
handyman
helmet
holding
illuminated
industrial
industry
labor
light
man
manual
manufacturing
mask
measuring
metal
occupation
operator
posing
power
protect
repair
safety
skill
smiling
spark
sparks
steel
surveying
tablet
technology
trained
weld
welder
welding
working
workplace
workshop