Razor

Razor

Many men and women use razors.

  • Razors are used to cut body hair by shaving.
  • Razors have been used since the Bronze age and were originally made from bronze or obsidian.
  • There are three main types of razors; electric razors, straight razors and safety razors.
  • Straight razors started being produced in the 1700s and were mainly used by skilled barbers or servants to shave those who were wealthy.
  • The first modern straight razor was decorated and had a hollow ground blade.

Razor, Black, Blue, Old, Dirty, Ten Random Facts,

  • Sharpened clam shells, shark teeth and flint have all historically been used as razors.
  • Electrical razors, known as electric shavers, were first produced in the 1930s.
  • Stainless steel blades have been used in razors since 1960, which makes the razor reusable.
  • Razors are often hard to sharpen, so today’s razors mostly have blades, that when blunt, are disposed of.
  • Safety razors were invented in the late 1800s, and have become the most common type of razor.
Bibliography:
Razor, 2013 Wikipedia, <http://en.wikipedia.org/wiki/Razor>

Glue

Glue

Sticky, sticky, sticky.

  • Glue is also known as adhesive and paste.
  • Glue is a semi-solid or liquid that is used to stick two things together.
  • One of the earliest known uses of glue, dating back thousands of years BC, was to stick stone to wood with birch bark tar to create a spear.
  • Glue is so common, that most man-made items use glue.
  • There are many types of glue, including pressure sensitive adhesive; hot glue; and the most popular, drying glue.

Glue, Yellow, Bottle, Blue, Stick, Paste, White, Background, many, white, Blu, Tube, Wood, PVA,, Bastix, Spotlight, Ten Random Facts

  • Glue is often applied to objects by using brushes, rollers, pellets, spray guns, or applicator guns.
  • Heat and sunlight can sometimes weaken the adhesive properties of glue.
  • It is estimated that on average, each American uses 18.2 kg (40 pounds) of glue each year.
  • Many things have historically been used to created glue, including animal products; and plant material; and in the modern age, chemicals.
  • In 2019, it is estimated that the glue/adhesive market turnover world wide will be approximately US $50 billion.
Bibliography:
Glue 2000, How Products are Made, <http://www.encyclopedia.com/topic/Glue.aspx>

Toothbrush

Toothbrush

Toothbrush scares those germs.

  • Toothbrushes are hygienic equipment used to rid teeth of food and bacteria.
  • Toothbrushes, which come in different shapes, sizes and bristle textures, are usually hard plastic sticks with a head of nylon bristles, which are used to brush teeth.
  • Sticks, twigs, feathers and quills were all early toothbrushes.
  • The first use of bristles on toothbrushes was in China, around 619-907 AD.
  • Toothbrushes were traded from China to Europe and became popular in the 1600s.

Toothbursh, electric, Orange, Red, Yellow, Green, Shiny, Purple, Colgate, Ten Random Facts

  • Toothbrushes were first patented by H N Wadsworth in 1857.
  • Some toothbrushes are electric and some toothbrushes have removable heads.
  • Toothbrushes became common in America after World War II, after the American army taught their soldiers personal hygiene, including brushing their teeth daily.
  • According to the Lemelson-MIT Invention Index, toothbrushes are the number one thing Americans can’t live with out.
  • William Addis, an Englishmen, is said to be the first mass producer of toothbrushes, which were made from bone and animal hair in the 1780s, after he came up with the idea in prison.
Bibliography:
Toothbrush 20 March 2013, Wikipedia, <http://en.wikipedia.org/wiki/Toothbrush

Crayon

Crayon

Their actually quite old!

  • Crayons are typically coloured sticks of wax used for drawing purposes, although sometimes are made from chalk or charcoal.
  • Crayons are also known as wax crayons, and are usually made from petroleum paraffin wax and colour pigment.
  • Since crayons aren’t messy, toxic, sharp, expensive and are colourful, they are a common media given to children to use for drawing or colouring pictures.
  • Crayons are generally 8.9 cm (3. 5 inches) lengthwise, and often have a paper wrapper wrapped around them to help them break less easily.
  • A W Faber Company, which were making crayons in the 1880s, was one of the first companies to produce wax crayons.

Crayon, Yellow, Blue, Green, Orange, Red, Peach, non toxic, Many, bundle, Ten Random Facts

  • Crayola, the leading brand of crayons in the world, started making crayons in 1903.
  • Crayola has made over 133 different coloured crayons, some retired, and many special edition crayons.
  • Some early French artists like Francois Clouet (1510-1572) and Nicholas L’angreau (1590-1666) used crayons as their medium.
  • There have been over 300 official crayon manufacturing companies, although only a small amount exist now.
  • Standard crayon colours are black, brown, blue, red, purple, orange, yellow and green.
Bibliography:
Crayon 9 March 2013, Wikipedia, <http://en.wikipedia.org/wiki/Crayon>

Clothes Iron

Clothes Iron

Put the clothes iron on the clothes and presto! No creases.

  • Irons are also known as flat irons, smoothing irons or clothes irons.
  • Irons are handheld electrical appliances used to uncrease creased clothes with it’s heated triangular surface.
  • Irons remove creases due to the combination of a hard surface, and heat pressed on the fibres of the clothes which stretches and flattens the fibres.
  • Henry Seeley invented the first electric iron in 1882.
  • More than a thousand years ago in China, pieces of heated metal were used like an iron to uncrease clothes.

Clothes Iron, Sunbeam 1800 watt, vertical steam, ultra 5500 platinium, water, standing, sole plate, Ten Random Facts Model

  • The metal part of an iron, that is used for pressing, is called the sole plate and is generally heated to 180ºC-220°C (356°F-428ºF) when ironing.
  • Irons use a combination of heat, electricity and mechanical energy to uncrease clothes, as well as the use of steam for some items.
  • Historically, a metal box made from iron was heated by charcoal and used as an iron to uncrease clothes.
  • Burning coconut shells were used to heat irons instead of charcoal in India, since it had a similar effect to burning charcoal.
  • The Gochsheim Castle, Karlshruhe, Germany has one of the largest collections of irons, about 1300 irons.
Bibliography:
Clothes Iron 21 February 2013, Wikipedia,  <http://en.wikipedia.org/wiki/Clothes_iron>
Ironing 24 February 2013, Wikipedia,  <http://en.wikipedia.org/wiki/Ironing>

Lock Key

Lock Key

Turn, click. Open!

  • There are many different types of keys which are used to open locks.
  • Keys are tools that are used in security and access of homes and cars etc.
  • House keys are the most common type of keys, then car keys.
  • Keys can be double sided or four sided, for extra security.
  • Thousands of years ago, wood was used to make keys.

Keys, Skeleton, Lots, Old, New, Blue, Rad, Small, Car Key, Traditional Key, Tags, Ten Random Facts

  • Some say that Theodore of Samos invented the key in the 6th century BC.
  • Romans used to wear keys as rings as symbols of wealthiness and for security.
  • Key duplicating was invented in 1917 using a blank key and a wheel that cuts the key.
  • Some keys are cylindrical, and are called tubular keys, which are commonly used among vending machines, laptop and bicycle locks.
  • Key cards are alternate keys that are like flat credit cards and are typically used in hotels.
Bibliography:
Key (Lock) 15 February 2013, Wikipedia, <http://en.wikipedia.org/wiki/Key_(lock)>
Related Posts Plugin for WordPress, Blogger...