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In 1967, Henkel researcher Dr Wolfgang Dierichs and his team took inspiration from John Lemings and developed a similar glue stick that resembled a lipstick in a twistable casing. [1] The Pritt stick was first marketed in 1969, and by 1971 was available in 38 countries. [ 2 ]
In response to teacher requests for an easier-to-use, no-mess bonding method, Elmer's introduced its line of glue sticks in 1983, easing application and reducing mess. [ 8 ] In 1989, Borden, Inc., and Toagosei America entered into a joint venture partnership to manufacture, sell and distribute cyanoacrylate and anaerobic adhesives under the ...
Blu Tack White Blu Tack out of the box. Blu Tack is a reusable putty-like pressure-sensitive adhesive produced by Bostik, commonly used to attach lightweight objects (such as posters or sheets of paper) to walls, doors or other dry surfaces.
Silicone caulk can be used as a basic sealant against water and air penetration. In organosilicon and polymer chemistry, a silicone or polysiloxane is a polymer composed of repeating units of siloxane (−O−R 2 Si−O−SiR 2 −, where R = organic group).
Side and end view of a 4-fluted countersink. The fluted countersink cutter is used to provide a heavy chamfer in the entrance to a drilled hole. This may be required to allow the correct seating for a countersunk-head screw or to provide the lead in for a second machining operation such as tapping.
A piston ring is a metallic split ring that is attached to the outer diameter of a piston in an internal combustion engine or steam engine. The main functions of piston rings in engines are: Sealing the combustion chamber so that there is minimal loss of gases to the crank case.
The punji stick or punji stake is a type of booby trapped stake. It is a simple spike, made out of wood or bamboo , which is sharpened, heated, and usually set in a hole. Punji sticks are usually deployed in substantial numbers. [ 1 ]
aardvark; aardwolf; aaron; aback; abacus; abaft; abalone; to abandon; abandoned; abandonment; abandons; abase; abased; abasement; abash; abashed; to abate; abated ...