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Dental floss (waxed) Levi Spear Parmly (1790-1859), a dentist from New Orleans, is credited with inventing the first form of dental floss. [4] In 1819, he recommended running a waxen silk thread "through the interstices of the teeth, between their necks and the arches of the gum, to dislodge that irritating matter which no brush can remove and which is the real source of disease."
Embroidery floss or stranded cotton is a loosely twisted, slightly glossy 6-strand thread, usually of cotton but also manufactured in silk, linen, and rayon. Cotton floss is the standard thread for cross-stitch , and is suitable for most embroidery excluding robust canvas embroidery.
The origin of Glide (which is what the brand was called prior to the P&G acquisition) dates to 1971, when Bill Gore first used a Gore-Tex fiber to floss his own teeth; [1] Gore-Tex was the PTFE-based fiber he had invented as a "waterproof laminate". The company failed to market the product for more than three decades.
While modern nuts and bolts are routinely made of metal, this was not the case in earlier ages, when woodworking tools were employed to fashion very large wooden bolts and nuts for use in winches, windmills, watermills, and flour mills of the Middle Ages; the ease of cutting and replacing wooden parts was balanced by the need to resist large amounts of torque, and bear up against ever heavier ...
Fleer also released American football (1960) and basketball (1986) card sets through its history. The company also produced some non-sports trading cards . In 1995, Fleer merged with the trading card company SkyBox International and, over Thanksgiving vacation shuttered its Philadelphia plant (where Dubble Bubble had been made for 67 years).
The idea behind the gum's composition was developed by Professor Terence Cosgrove at the University of Bristol and it was developed by the British company Revolymer. [ 2 ] Rev7 is designed to be a low adhesive gum that, unlike conventional gum, can be easily removed from a variety of surfaces, and which degrades and disperses over a short time ...
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