automation
background
building
cast
construction
ember
enclosure
equipment
fabrication
factory
fiery
fire
flow
foundry
furnace
glowing
heat
heavy
hot
industrial
industry
iron
light
making
manufacture
manufacturing
measurement
melt
metal
metallic
mill
operation
plant
produce
production
red
role
rolled
scenes
sheet
shiny
steel
steelmaking
steelwork
technically
technology
work
workshop
yellow