A safety razor is a shaving implement with a protective device positioned between the
edge of the blade and the skin. The initial purpose of these protective devices was to
reduce the level of skill needed for injury-free shaving, thereby reducing the reliance on
professional barbers. The term was first used in a patent issued in 1880, for a razor in
the basic contemporary configuration with a handle attached at right angles to a head.
in which a removable blade is placed (although this form predated the patent).
An airplane (informally “plane”) is a powered, fixed-wing aircraft that is propelled.
forward by thrust from a jet engine or propeller. Airplanes come in a variety of sizes,
shapes, and wing configurations. The broad spectrum of uses for airplanes includes.
recreation, transportation of goods and people, military, and research. Commercial
aviation is a massive industry involving the flying of tens of thousands of passengers.
daily on airliners. Most airplanes are flown by a pilot on board the aircraft, but some.
are designed to be remotely or computer controlled.
In electronics, a vacuum tube, an electron tube, or just a tube (North America), or valve
(Britain and some other regions) is a device that controls electric current between
electrodes in an evacuated container [a glass jar with all the air removed].
The Ford Model T (colloquially known as the Tin Lizzie, Leaping Lena, or flivver) is
an automobile produced by Ford Motor Company from October to May
It is generally regarded as the first affordable automobile, the car that opened
travel to the common middle-class American; some of this was because of Ford’s
efficient fabrication, including assembly line production instead of individual hand
crafting.
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