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Fire Alarms : Most modern fire alarm systems are electric and can be activated from several points throughout a building. These points usually consist of glass-covered switches which should be painted red and sited no more than 30 metres apart.
Some sophisticated systems integrate alarm buttons with a smoke detector system, and it is usual for a complete ban on smoking to be enforced in a building protected by a smoke detector system. The fire brigade should be called in case there is a need. The person-in-charge should be trained to assess the severity in case of an outbreak of fire and act accordingly.
Paper manufacture: Paper was not used in India until the eleventh century. This Chinese invention of the first .century A.D. reached India mainly through the Ghorian conquerors
The Need for Reporting Accidents : All accidents (no matter how trivial) and, dangerous near misses should be recorded. The recording of accidents ensures that all injuries are tr
Evaluating the possible problems of a technology compared to the expected advantages is known as a ?..
A floating experiment with different kinds of wood Secure a cork, and pieces of wood like as maple, mahogany and ebony. Place them in a pan of water and notice how every one be
Nonionising Radiations : As stated earlier the radiation hazards are not limited to ionising radiations from radioactive materials. There are a number of other radiation sources i
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Why are peaty and marshy soils highly acidic? The acidity is due to decomposition of organic matter under anaerobic conditions and formation of sulphuric acid.
why do we breathe?
Determine the structural units of silicate clays The tetrahedral and octahedral sheets are the fundamental structural units of silicate clays. They bound together within the cr
The industry dealing with hazardous materials should draw emergency disaster plan. Safety committees consisting of workers and management are required to review from time to tim
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