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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.
Two-stroke chainsaws require about 2–5% of oil in the fuel to lubricate the engine, while the motor in electrical chain-saws is normally lubricated for life. Most modern gasoline-operated saws today require a fuel mix of 2% (1:50).
A block diagram is a diagram of a system in which the principal parts or functions are represented by blocks connected by lines that show the relationships of the blocks. [1] They are heavily used in engineering in hardware design , electronic design , software design , and process flow diagrams .
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A former FBI informant accused of lying about President Joe Biden and his son Hunter Biden’s alleged business dealings with a Ukrainian energy company has agreed to plead guilty to federal ...
A 2019 survey found that globally, we think old age begins at 66. When asked to describe it, we usually use the term wise (35%), followed by frail (32%), lonely (30%), and respected (25%). People ...
Carrie Underwood was the master of the quick change on New Year's Eve!. The country singer, 41, wore three different sparkly and sequined looks as she performed a medley of her hit songs on ABC's ...
By January 2017, was being produced at Tesla Gigafactory 1 for the Tesla Model 3, [219] reaching a production rate of 1.8 billion cells annually (20 GWh per year) by mid-2018. [220] Also used for stationary storage (Tesla Powerwall 2 and Powerpack 2) [ 221 ] and larger electronic cigarettes.