History week 27

Coca-Cola, or Coke, is a carbonated soft drink produced by The Coca-Cola Company.
Originally intended as a patent medicine, it was invented in the late 19th century by.
John Pemberton and was bought out by businessman Asa Griggs Candler, whose.
marketing tactics led Coca-Cola to its dominance of the world soft drink market.
throughout the 20th century.

An induction motor or asynchronous motor is an AC electric motor in which the
electric current in the rotor needed to make it spin is obtained by electromagnetic.
induction from the magnetic field of the stator [stationary] winding. An induction
motor can therefore be made without electrical connections to the rotor. An induction
motor’s rotor can be either wound type or squirrel-cage type.

A ballpoint pen, also known as a biro, or ball pen, is a pen that dispenses ink over a
metal ball at its point, i.e., over a “ball point”. The metal commonly used is steel, brass,
or tungsten carbide.
It was conceived and developed as a cleaner and more reliable alternative to dip pens
and fountain pens, and it is now the world’s most-used writing instrument: millions are
manufactured and sold daily. As a result, it has influenced art and graphic design and
spawned an artwork genre.

A zipper, zip, fly, or zip fastener, formerly known as a clasp locker, is a commonly used
device for binding the edges of an opening of fabric or other flexible material, like on a
garment or a bag.
It is used in clothing (e.g., jackets and jeans), luggage and other bags, sporting goods,
camping gear (e.g. tents and sleeping bags), and other items. Zippers come in all.

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