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2. Milwaukee Tool - Wikipedia

   en.wikipedia.org/wiki/Milwaukee_Tool

   In 1991, Milwaukee released the Milwaukee Super Sawzall, a reciprocating saw with built-in counterbalance, a gear-protecting clutch, and five different patents. In the later 1990s, Milwaukee Electric Tool Corporation released a new range of miter saws and a lineup of 18-volt contractor cordless tools. [7]

3. Stihl - Wikipedia

   en.wikipedia.org/wiki/Stihl

   Andreas Stihl designed and hand built his first chainsaw in 1926. [5] The saw was electrically powered, and weighed about 48 kg (106 lb). [6] Stihl grew slowly initially, as the chainsaws came to the market about the same time as the Great Depression; with manpower cheap, and old two-man saws proven, there was no need for power saws.

4. Chainsaw - Wikipedia

   en.wikipedia.org/wiki/Chainsaw

   Chainsaws have almost entirely replaced simple man-powered saws in forestry. They are made in many sizes, from small electric saws intended for home and garden use, to large "lumberjack" saws. Members of military engineer units are trained to use chainsaws, as are firefighters to fight forest fires and to ventilate structure fires. [citation ...

5. Power tool - Wikipedia

   en.wikipedia.org/wiki/Power_tool

   The most common types of power tools use electric motors. Internal combustion engines and compressed air are also commonly used. Tools directly driven by animal power are not generally considered power tools. Power tools can produce large amounts of particulates, including ultrafine particles. Airborne particulate matter is a Group 1 carcinogen.

6. Reciprocating saw - Wikipedia

   en.wikipedia.org/wiki/Reciprocating_saw

   A reciprocating saw is a type of handheld, small, machine-powered saw, in which the cutting action is achieved through a push-and-pull ("reciprocating") or back-and-forth motion of the blade. The original trade name, Sawzall, is often used in the United States, where Milwaukee Electric Tool first produced a tool of this type in 1951. [1] [2]

7. String trimmer - Wikipedia

   en.wikipedia.org/wiki/String_trimmer

   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.

8. Chainsaw safety features - Wikipedia

   en.wikipedia.org/wiki/Chainsaw_safety_features

   Some saws, usually electric saws intended for domestic garden use, shield this whole area from contact with a "tip protector". All cutting produces a reaction force on the saw: normally this should be the lower edge of the bar, where the chain is travelling towards the saw and the reaction tends to pull the saw safely towards the log, against ...

9. Circuit diagram - Wikipedia

   en.wikipedia.org/wiki/Circuit_diagram

   A circuit diagram (or: wiring diagram, electrical diagram, elementary diagram, electronic schematic) is a graphical representation of an electrical circuit. A pictorial circuit diagram uses simple images of components, while a schematic diagram shows the components and interconnections of the circuit using standardized symbolic representations.