Some fibers are short, others very long, some are kinky, scaly and rough, others are straight and smooth. They may have high or low tensile strength or are transparent, opaque, colored, or colorless, even or uneven in diameter.
Fats or lipids are the most concentrated form of all energy giving foods. They constitute an important part of our daily diet and supply about 10-30% of our energy needs.
Carbohydrates are the most widely and economical sources of energy. They are the most abundant organic compounds composed of structural parts of the plants in the form of cellulose as well as stores of starches and sugars.
Proteins are the chief substance which constitutes the cells of both plant and animal body. Next to water, protein is the most abundant component of the body. It accounts for about 1/6th of the live body weight.
Foods are complex substances composed of chemical constituents called nutrients. According to the presence of such nutrient, foods has been classified as proteins, carbohydrate, fats, vitamins, minerals, water and roughage.
The food supplied to the body consists of various elements, such as proteins, fats, carbohydrates, vitamins, minerals and water. Most foods contain all these factors but in varying proportion. Proteins, facts and carbohydrates are often termed proximate principles.
All kitchen equipments have been classified in various ways such as I. Mechanical, Electrical and Gas Equipments, II. Essential and Luxury Equipments and III. Major and Minor Equipments.
Private sector enterprises belong to individuals or a group of individuals. It is mainly guided by the motive of profit. Retail shops, wholesale trade, small scale industries, companies, farms, and many other activities come under private sector.
Still another method of classifying contracts is in terms of the extent to which they have been performed. Accordingly, contracts may be: (i) Executed and executory or (ii) Unilateral and bilateral. An executed contract is one which has been wholly performed. Nothing remains to be done in terms of the contract.
There are no hard and fast rules for making classification of data. Technically the classification of data depends upon the nature, scope and purpose of the study. Nonetheless, an ideal classification possesses some characteristics. Some of the characteristics are given below: