Hot metal ingot being loaded into water. Hardening in a factory
Metal parts during hardening process
Metal parts during hardening process
Metal parts during hardening process
Metal parts during hardening process
Ground hardening by heavy construction machinery rollers road and factory construction. Loader excavator, bulldozer and roller on
Hardening of machine parts in the furnace under high temperature. Large Steel Works. Rolled metal factory
Hardening of machine parts in the furnace under high temperature. Large Steel Works. Rolled metal factory
Hardening of machine parts in the furnace under high temperature. Large Steel Works. Rolled metal factory
Ground hardening by heavy construction machinery road and factory construction. Loader excavator, bulldozer and roller work on construction
Hardening of machine parts in the furnace under high temperature. Large Steel Works. Rolled metal factory
Hardening of the metal by sharp cooling in water. There is steam. The blacksmith tempers a red-hot sword on an old technology. Creation of ancient weapons. Blacksmith's Armory.