A pencil is a writing implement or art medium constructed of a narrow, solid pigment core inside a protective casing which prevents the core from being broken and/or from leaving marks on the user’s hand during use.

Pencils create marks by physical abrasion, leaving behind a t ...

Calcium silicate board is an asbestos-free thermal insulation product that can withstand continuous high operating temperatures. It is a light weight, low thermal conductive, high strength, easy to install, reliable and durable product. Industrial grade piping and equipment insulation is often ...

Oxygen is an element that can be a solid, liquid or gas depending on its temperature and pressure. In the atmosphere it is found as a gas, more specifically, a diatomic gas. This means that two oxygen atoms are connected together in a covalent double bond. Both oxygen atoms and oxygen gas are ...

Lubrication is simply the use of a material to improve the smoothness if movement of one surface over another; the material which is used in this way is called a lubricant. Lubricants are usually liquids or s ...

Aluminium is a light, strong, flexible, non-corrosive and infinitely recyclable metal. Aluminium is widely used in the transport, construction, packaging and electrical industries.

Hair dye is one of the oldest known beauty preparations, and was used by ancient cultures in many parts of the world. Hair dyes and colors are being used by more and more men and women. Initially, people dyed their hair only when it turned grey with age. But, these days, the use of hair color ...

Hair dye is one of the oldest known beauty preparations, and was used by ancient cultures in many parts of the world. Hair dyes and colors are being used by more and more men and women. Initially, people dyed their hair only when it turned grey with age. But, these ...

Zinc sulphate heptahydrate (Zn-21%) is recommended for soil application at the rate prescribed by the State Agricultural Universities/Soil Testing Laboratories.

The dose varies across the states from 25 to 60 kg/ha depending on soil type, cropping intensity and crop productivity lev ...

Tamarind is a hardwood tree known scientifically as Tamarindus indica. Tamarind is a delicious, sweet, and sour fruit that has a wide variety of uses, both for medicinal and culinary purposes. It is a medium- ...

Disposable diapers are a great convenience in the modern world. A disposable diaper consists of an absorbent pad sandwiched between two sheets of nonwoven fabric. The pad is specially designed to absorb and retain body fluids, and the nonwoven fabric gives the diaper a comfortable shape and he ...