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smelting
melting
furnace
molten
metallurgy
industrial
manufacturing
foundry
heat
refinery
steel
metalwork
infrared
fusion
thermometer
processing
flame
hot
temperature
production
industry
casting
materials
technology
metal
liquid
workshop
technique
equipment
engineer
forge
artisan
innovation
glow
heavy
craftsmanship
science
labor
relief
testing
shine
energy
fire
workplace
trends
safety
precision
quality
profession