BASIC SCIENCE AND TECH

Drawing plays a significant role in the expression of thought and ideas. Often, descriptions which cannot be fully expressed in words, are made clearer with the use of drawings. Thus, ...

A) Plastic Plastics are manufactured through the combination of several different compounds obtained chiefly from cellulose, coal and petroleum. There are numerous techniques or methods for producing plastic objects. Some ...

A) Methods of Making Clay In order to process ceramics, mud, or clay is obtained and cleared of all plant material, stones, paper, metal scraps, wooden pieces and other impurities ...

Many metals do not naturally exist in a free state in the ground. They occur in association with other substances collectively referred to as impurities. The combination of these impurities ...

A defect is anything present in wood, which results in the lowering of its quality or value. A defect can be caused by the action of man, insects, and fungi ...

Wood is obtained from trees. When it has not been processed for use, it is typically referred to as timber. Trees are renewable materials, although they grow very slowly, some ...

Because the sapwood of trees contain water, food, salts, air and warmth, wood is often attacked by fungi, termites, insects and other pestiferous organisms. Since woods usually contain varying amounts ...

Electronics is concerned with the theory design, and application of devices to control streams of electrons moving through solids, liquids, gases, and spaces, which are free of air (vacuums). Electronics ...

Metal Finishing  Metal finishing refers to any of the techniques used to create a decorative or protective surface on a metallic surface. Metals differ in their degree of luster. They ...

The word technology refers to ways of making or doing things. It includes all the methods through which people use their inventions and discoveries to satisfy their needs and wants ...