architect
architecture
background
build
builder
business
cap
chemistry
civil
concept
construction
contractor
country
danger
development
employment
engineer
engineering
equipment
flag
gas
government
helmet
industrial
industry
japan
japan flag
japanese
japanese flag
job
leader
man
migration
nation
national
natural resources
occupation
oil
oil products
profession
project
protect
protective
safety
sign
silk
waving
work
worker
yellow
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