PRECAUTIONS: Some chemicals produce toxic gases, hence carryout ventilation while using such chemicals, Use protective clothing while cleaning chemicals and barrier creams which may help to protect the skin may be applied, A chemical from an un_labelled container should never be used unless uts identify has been positively established, Chemical should always be handled with utmost care,eyes and skin should be protected from accidental exposure or contact, Manufacturer or supplier's advice on the correct use of chemicals should always be followed, Chemical should not be mixed unless is it known that the dangerous reaction will not be caused. Carbon tetra chloride should not be used for cleaning electrical equipments, because of the High toxicity of its vapours, A record (Product data sheet) should (when obtainable) be kept on board, available to all users, containing sufficient information to determine the degree of the danger posed by the substance, Exposure to certain substance s