base metals
cast
commodity
copper
copperbelt
economy
electricity
factory
fall
fire
flame
furnace
heat
hot
industrial
industry
liquid
material
metal indutry
metallic
metallurgy
metals
mineral
mining
molten
natural resources
orange color
output
pouring
privatized
processing
production
raw
refinery
resources
smelter
smelting
sparks
splash
stream
technology
temperature
valuable
vertical
vibrant color
zambia