It is needless to say that chairs and tables are essentials even in modestly furnished living quarters which means that there will always be an open market for these goods. Industrial production means high production ...

TIle technology introduced here is related to a special process in which chalkboards are coated with oil-mixed paint in the course of manufacture contrary to the prior art, whereas in schools and offices, most of the ...

Earthen walls or adobes have been in use over several thousand years in building houses for mankind. It has also been empirically known that the buildings in which these materials are used provide coolness in summer ...

Carboxymethyl cellulose (CMC), a kind of cellulose ether, is a white powdery sizing agent made from pulp cellulose. Since its discovery by Jansen of Germany in 1918, it has rapidly expanded in advanced western countries. In ...

This coal carbonization industry provides the raw material for the tar-distilling industry. The crude tars recovered from above-mentioned carbonization industry were at first used as a fuel, particularly at steel works. ...

Cocoa and chocolate are favourites all over the world and full of nutritional value. Obtained from cacao, a tree of the tropics, the cocoa-beans contain most of the substances required for human nutrition: approx. 50% ...

The growing world economy has lately led to the development of numerous new products and, more recently, to the fabrication of various a't1tomatic vending machines which permit roundthe- clock selling of these products ...

With the social development, man has come to require more comfortable and convenient life. As one of the modern conveniences, the telephone was born to enable man to communicate with other persons in faraway places, ...

Composite containers sometimes are also called fibre cans or paper cans. They are considered as one-way packages that are used for filling materials having a shelf life of up to one year maximum. Their main raw material ...

Main nutrients for crops are Nitrogen, Phosphorous, Potassium and Calcium. These among others must be made available continuously and in correct proportions by the soil. The individual effect of each of these nutrients is ...