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The steam passes through the paper, saturates the backing paper and partially dissolves the desiccated wallpaper paste. This then allows the wallpaper to be pulled from, or scraped off the wall. [1] The wallpaper steamer was invented by Peter Ravenscroft Wilkins from Blackwell, Worcestershire, England. Its European patent was filed 19 November ...
In light-frame construction, a trimmer is a timber or metal beam (joist) used to create an opening around a stairwell, skylight, chimney, and the like. Trimmers are installed parallel to the primary floor or ceiling joists and support headers , which run perpendicular to the primary joists.
Screwfix Direct Limited, trading as Screwfix, is a retailer of trade tools, accessories and hardware products based in the United Kingdom. [6] Founded in 1979 as the Woodscrew Supply Company, the company was acquired in July 1999 by Kingfisher plc , which also owns B&Q , and is listed on the London Stock Exchange .
A laminate trimmer equipped with a bearing-guided flush trimming bit can be used to cut the veneer to its final size. [2] The bearing guides the bit around the outside edge of the wood substrate, making a clean cut exactly along the edge. Laminate trimmers excel at this task due to their light weight and one-handed operation.
The feed and press rollers on the edger are usually powered, passing the lumber through the machine. The length of feed and tables depends upon the lumber produced by the head saw. [3] Edgers can be categorized as gang [4] or shifting edgers. [citation needed] In gang edgers the saws remain stationary. In a shifting edger the saws can move left ...
String trimmers powered by an internal combustion engine have the engine on the opposite end of the shaft from the cutting head, while electric string trimmers typically have an electric motor in the cutting head, but there are other arrangements, such as where the trimmer is connected to heavy machinery and powered by a hydraulic motor.
Edge finder. An edge finder is a rotating tool, meaning the machine spindle must be turning for the tool to work. On one end of a cylindrical shank, a second cylinder is attached by a spring running through the center of both cylinders. The second cylinder rotates with the first.
Trimmer potentiometers or "trimpots" A trimmer, or preset, is a miniature adjustable electrical component. It is meant to be set correctly when installed in some device, and never seen or adjusted by the device's user. Trimmers can be variable resistors (potentiometers), variable capacitors, or trimmable inductors.