cooking light community

Tribals staying within forest areas and villages bordering them need: Fuel as firewood Fodder for their cattle, as well as grazing of cattle Timber, thatch and bamboo for making slats for huts Implements for agriculture, fishing and hunting made of wood Baskets for collecting and storing foo..

Biogas - Animal dung in the form of dried cakes is also burned for domestic purposes. Animal dung contains vital nutrients. If burnt directly they produce a lot of smoke leading to air pollution. Instead animal dung can be converted into biogas which is a clean fuel. The residue which is rich in nu..

The specific heat of a substance is an important physical property because it tells us the suitability of a given substance for a specific purpose. Aluminium vessels are used in cooking because aluminium is a light metal. Hence, for a given volume, its thermal capacity wil..

Immunization with anti cholera vaccine. The immunization lasts for 6 months When the disease is rampant, boiled water cooked food and food not exposed to flies must be consumed Proper sanitation and good personal hygiene in the community will prevent the spreading of the..

Man's quest for sources of energy is inexhaustible. Early man depended mainly on muscular energy and later began to use wind and flowing water as sources of energy. He learned the art of making and controlling fire. Fire became his source of light at night. He used fire for warmth a..

Introduction - Man's quest for sources of energy is inexhaustible. Early man depended mainly on muscular energy and later began to use wind and flowing water as sources of energy. He learned the art of making and controlling fire. Fire became his source of light at night. He used fire for..

India produces only half of the national requirement of petroleum products and it imports the rest from other countries. Natural gas is the most popular petroleum product. During last two decades, the consumption of natural gas resources have increased tenfold. If we need to save fossil fuels from ..

Man's quest for sources of energy is inexhaustible. Early man depended mainly on muscular energy and later began to use wind and flowing water as sources of energy. He learned the art of making and controlling fire. Fire became his source of light at night. He used fire for warmth and rea..

Junction diodes are of many types and solar cells are one such. Its working is based on production of potential difference by sunlight. In other words, it is a junction diode that can convert light energy into electrical energy. In such a junction one of them either P or N is made thin so..

Solar Cells - Junction diodes are of many types and solar cells are one such. Its working is based on production of potential difference by sunlight. In other words, it is a junction diode that can convert light energy into electrical energy. In such a junction one of them either P or N i..