electric hand tools
51Utility knife — Boxcutter and box cutter redirect here. For the electronic music artist, see Boxcutter (musician). For season four premiere of Breaking Bad, see Box Cutter (Breaking Bad). A utility knife is a knife used for general or utility purposes.[1] The… …
52Screw — This article is about the fastener. For other uses, see Screw (disambiguation). Screws come in a variety of shapes and sizes for different purposes. U.S. quarter coin (diameter 24 mm) shown for scale. A screw, or bolt, is a type of fastener… …
53Disston Saw Works — was one of the better known and highly regarded manufacturers of handsaws in the United States. A much evolved version of this company is currently active in Philadelphia and known as Disston Precision. Contents 1 History 2 Henry Disston 3 Legacy …
54Porter-Cable — Type Subsidiary Industry Manufacturing Founded 1906 in Syracuse, New York …
55Concrete saw — A concrete saw being readied for use. The man in the background is preparing the hose to deliver water to cool the saw, whilst the operator is moving the saw to the required position. A substantial engine powers the unit …
56Reciprocating saw — Example of a variable speed, reciprocating saw …
57Nibbler — For other uses, see Nibble (disambiguation). Manual nibbler, punch and die type A nibbler is a tool for cutting sheet metal with minimal distortion. One type operates much like a punch and die, with a blade that moves in a linear fashion against… …
58Diagonal pliers — with uninsulated handles. Diagonal pliers (or wire cutters or diagonal cutting pliers) are pliers intended for the cutting of wire (they are generally not used to grab or turn anything). They are sometimes called side cutting pliers or side… …
59History of agriculture in the People's Republic of China — For over 4,000 years, China has been a nation of farmers. By the time the People s Republic of China was established in 1949, virtually all arable land was under cultivation; irrigation and drainage systems constructed centuries earlier and… …
60Multi-jackbolt tensioner — Multi jackbolt tensioners (MJT) provide an alternative to traditional bolted joints Rather than needing to tighten one large bolt, MJTs use several smaller jackbolts to drastically reduce the torque required to attain a certain preload. MJTs… …
