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how has the earth changed since it was formedans the earth has changed particularly since it was formed earth was a ball of rock that was strike and
the industry dealing with hazardous materials should draw emergency disaster plansafety committees consisting of workers and management are required
regulations concerning safety and health of workers in industrial laboratoriesthe workers in industry engaged in using or producing chemicals coal
laboratory safety codes bis has prepared the following three codes in the form of small books regarding laboratory safetyi code of safety in
national building codethe national building code covers all aspects concerning construction building requirements fire protection quality of
construction standards set by bureau of indian standards at the construction stage itself the design of the laboratory buildings should be made in
need for safety and health regulations accidents in work place are caused by negligence at some level legal control is required when individuals and
objectives after studying this unit you should be able to1 explain the need for safety and health regulations using an example2 describe the
introduction here we shall explain the regulations which are directly or indirectly concerned with laboratory work these regulations have legal
accidents in laboratories by and large occur due to unsafe work practice the accidents may result in harm to someone andor damage to equipment and
eye injuries the eyes are a particularly vulnerable part of your body safety glasses goggles or a face shield are a must for any experiment where
fractures it is not our intention to introduce you to many types of fractures that can occur or all the ways a first aider might deal with them the
burns there are two types of burns which we are to discuss1 chemical2 thermalchemical burns have already been discussed in sec 167 so we shall
first aid treatment of localized injuries so far we have seen main life-saving functions of first aid let us discuss the task of controlling some
first aid treatment for shock some degree of shock is produced in most accidents shock is associated with changes in the system of blood circulation
internal bleeding there is little that you can do for most internal bleeding other than treating for shock and calling for a doctor immediately if
slight bleeding frequently the bleeding stops of its own accord or is easily controlled by local pressure the procedure for first aid treatment is
a wound should be cleaned first and covered with a protective dressing the main purpose of dressing is to1 prevent infection2 control bleeding3
severe bleedingin case of severe bleeding use the following steps1 control bleeding by the following meansa apply direct pressure on the wound for
controlling bleeding in this section we will discuss methods of dealing with three types of bleeding1 severe bleeding2 moderate and mild bleeding3
acute and chronic effects the effects of accidents due to chemicals are severe and immediate on the human body these effects are called acute
here this study gives the health hazard data and the treatments for some of the compressed gases generally the standard procedure in gas based
ingestion the standard treatment for this type of poisoning is as follows1 tell the casualty to spit out as much of the material as possible and
first aid procedures for chemical accidents there are three general procedures to be followed for chemical accidents and all are based on the
heart massage for restoring circulation in cases of breathing failure you should check that the casualtys heart is still beating this is especially