They all were proficient in Latin. From the Middle Ages until about the middle of the 20th century, Latin was a central part of a manâs schooling in the West. Along with logic and rhetoric, grammar (as Latin was then known) was included as part of the Trivium â the foundation of a medieval liberal arts education.
Duct Tape was Originally Named âDuckâ Tape and Came in Green, Not Silver. Today I found out Duct tape was originally named âDuckâ tape and originally only came in green, not silver. Duct tape was originally invented by Johnson & Johnsonâs Permacel division during WWII for the military. The military specifically needed a waterproof tape that could be used to keep moisture out of ammunition cases.
Powdered aluminium pigment gives traditional duct tape its silvery grey colour. Duct tape, sometimes called duck tape, is cloth- or scrim-backed pressure-sensitive tape, often coated with polyethylene. There are a variety of constructions using different backings and adhesives. One variation is black gaffer tape, which is designed to be non-reflective and cleanly removed, unlike standard duct tape.