Man opening thick insulated door of industrial muffle furnace, revealing inner heating chamber with elements in a production workshop.
Schlüsselwörter
kiln,
open door,
workshop,
laboratory,
operator,
men at work,
craftsman,
artisan,
manufacturing,
heavy machinery,
machinery,
process,
technology,
production,
studio,
metalwork,
equipment,
device,
indoor,
hand,
operation,
factory,
craft,
labor,
high temperature,
technical
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