2016年7月17日星期日

What is a string trimmer?

String trimmer:
A string trimmer, also called a "weed-whip", "whipper-snipper", "weedwacker", a "weed eater" or (in the UK and Ireland). A "strimmer", is to use a flexible monofilament line instead of a cutting blade of grass and other plants near objects, or tools or irregular in steep terrain. It includes a cutting head at the long axis of the handle or handles,and sometimes a shoulder strap.

History:

String trimmer by the Emporia, Kansas Tim West in the late 1960s invention. His first model is connected to the hub structure welding small chain of 20,000 rpm router by using bolts and mounted on a metal pole. It is not only good trim weeds and grass, it is completely obliterated neighbor basketball. The most striking model consists of Houston, Texas, who conceived the idea while watching a cleaning brush automatic car wash George Balas rotational movement in the early 1970s invention. His first trim member by additional heavy fishing popcorn can bolted to the edging. Balas developed to this point he called "weed eater" as it eats grass and weeds around the trees.


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