51�Թ�

Sparks fly as welders work inside the giant nickel steel cylinder intended to hold millions of gallons of super-chilled, liquefied natural gas.

Connecting rods are tubular, chrome nickel steel, light and strong.

Instead of a case of glass or celluloid, as is usual with the older cells, his cells are enclosed in strong boxes of nickel steel.

Inside the building, a three-story bank vault, built with nickel steel, armor, concrete and cast steel, remains intact.

The shield is of nickel steel, the collar of cast steel.