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ultraviolet radiations the ultraviolet uv light has higher energy than visible light hydrogen lamps deuterium lamps and other sources of
nonionising radiations as stated earlier the radiation hazards are not limited to ionising radiations from radioactive materials there are a number
radiation hazards we are sure that you would have studied about electromagnetic radiation during your studies at the school you would recall that
introduction you read about the fire hazards general precautions and remedial measures in case of an outbreak of fire in the previous unit in
let us recall briefly what all we have learnt about fire hazards in this unit fire accident can happen due to a number of reasons like flammable
fire blankets we have already discussed the use of fire blankets but it is worth noting that fire blankets are now made of glass fibre instead
fire buckets all labs should be equipped with a fire bucket the buckets are not used only for carrying water to a fire this is one of their uses the
water extinguishers direct the jet at the base of the flame and keep it moving across the fireattack a fire which is spreading vertically at its
use the following procedure for fire fighting1 always take a position between the fire and the exit so your escape route cannot be cut off fire
use of fire extinguishers we know that one type of fire extinguisher cannot serve the purpose on all kinds of fire in this subsection you will study
extinguishing a fire the techniques and equipment which you will learn about in this section relate to the standard kinds of fire fighting equipment
fire barriers when a fire starts in a building it spreads quickly bya radiation - intense heat radiates to neighbouring surfaces which are rapidly
fire escapes when a fire breaks out in a building it is not unusual for people to panic sometimes flames can spread rapidly especially if fanned by
fire alarms most modern fire alarm systems are electric and can be activated from several points throughout a building these points usually consist
precautions for fire prevention in the event of fire or explosion occurring there should be a prearranged plan of the necessary action to be taken
causes of fire the potential fire risk arises from the presence of combustible solids liquids or gases in conjunction with ignition sources one
fire hazards in the laboratory the average science laboratory is a particularly hazardous area when it comes to fire flammable liquids compressed
objectivesafter studying this unit you should be able to1 explain the significance of the fire triangle2 list common causes of fire3
introduction in the first unit of this block you read about hazards due to electricity and gases in the science laboratories the second unit deals
issues related to safety managementi plant design - there was a major error in the plant design there was no need of storing such a hazardous
judicious use of plantanimal material for lab purposeslive or preserved biological material is an essential requirement in all bio-labs this material
ethical issues concerning use of animals for experimentation and educational purposesi animals procured handled and looked after according to the
conducting experiments on animalsi the qualifications or experience of the persons performing experiments on animalsii comfortable conditions
procuring and storing animal materialsi you can begin by asking for a clarification or reaching a common understanding regarding the oft-used
objectiveswhile undertaking this exercise and after its completion you should be able to share with your peer group the relevant information1