[Interior, manufacturing shop, metal melting oven.]

[Interior, manufacturing shop, metal melting oven.]

[Interior, manufacturing shop, metal melting furnace oven.]

[Interior, manufacturing shop, metal melting furnace oven.]

[Interior, manufacturing shop, metal melting furnace oven.]

[Interior, manufacturing shop, metal melting oven.]

[Interior, manufacturing shop.]

[Interior, manufacturing shop, metal melting furnace oven.]

[Interior, radiator manufacturing shop.]

[Interior, manufacturing shop.]

[Interior, radiator manufacturing shop.]

Interior, manufacturing shop, metal melting pot

[Interior, manufacturing shop.]

Lamp manufacturers. Interior, manufacturing shop

[Interior, manufacturing shop.]

[Interior, manufacturing shop.]

[Interior, radiator manufacturing shop.]

[Interior, manufacturing shop.]

Interior, manufacturing shop, casting metal

[Interior, boiler room.]