acetylene
al
aluminiu
aluminium
aluminum
bar
billet
brass
bright
bullion
bunch
bundle
business
circle
commerce
concrete
construction
corrosion
diminishing
durable
equipment
factory
ferrous
industrial
industry
ingot
ingots
labor
labour
lump
manufacture
manufacturing
material
melt
melting
metal
pot
production
profile
rough
silver
smelt
smelting
stack
stock
substance
technology
welder
welding