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The lap or lapping plate in this machine is 30 cm (12 in) in diameter, about the smallest size available commercially. At the other end of the size spectrum, machines with 2.4-to-3.0-metre-diameter (8 to 10 ft) plates are not uncommon, and systems with tables 9 m (30 ft) in diameter have been constructed.
An antique lap desk. As an antique the lap desk is a smaller variant of the writing slope. It is also called a writing box or a writing cabinet. In certain instances it is known as a portable desk, a term which is usually applied to larger forms. Most antique lap desks are meant to be used on a table or some other stable surface.
Subtle uses of lapping, such as secret switches or disposing of secret devices, enable effects that would not otherwise be possible. Stand-up magicians, such as "table-hoppers" at restaurants, may need to use a Topit or other device to obtain a similar effect, due to their inability to lap. The magicians who utilize the trick of lapping are ...
The lap desk appeared sometime in the 17th century and became a stylish accessory for travelling gentlemen. Like the Bible box, the lap desk was usually small enough to be carried on a horse or by a gentleman's butler or valet. From the 18th century onward, however, it grew in size and became too heavy to be used comfortably on a lap.
If necessary, an additional process will be added to modify the initial texture. The latter process may be grinding (abrasive cutting), polishing, lapping, abrasive blasting, honing, electrical discharge machining (EDM), milling, lithography, industrial etching/chemical milling, laser texturing, or other processes.
Lap joints can be used to join wood, plastic, or metal. A lap joint can be used in woodworking for joining wood together. A lap joint may be a full lap or half lap. In a full lap, no material is removed from either of the members that will be joined, resulting in a joint which is the combined thickness of the two members.
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Lapping is a machining process in which two surfaces are rubbed together with an abrasive between them. Lapping may also refer to: Lapping (magic), a set of techniques in conjuring; Lapping (motorsport), the act of passing someone who is one circuit behind; Lapping, the licking movement of an animal's tongue, usually for drinking