Le Chameau says its boots are the only rubber boots each made by a single master bootmaker.

Past about 260 °C, PTFE begins to break down and give off fumes that can be lethal to pet birds.

Most elemental silicon never leaves the steel industry as ferrosilicon, and only about 20% is refined to metallurgical-grade purity.

The first screw factory in the United States was built in 1821 by Hardman Philips near Philipsburg.

Corrugated paper was first patented in England in 1856, to line tall hats, and it was not used for shipping until Albert Jones of New York patented it in 1871 for wrapping bottles and lantern chimneys.

Tissue grades that absorb the most water are made by drying with hot air blown through the sheet, which uses about twice the energy of ordinary drying.

One of the first big uses came in 1960, when IBM 1401 computers were shipped in it.

DuPont's Lycra was originally called Fiber K.