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INTRODUCTION : You read about the fire hazards, general precautions and remedial measures in case of an outbreak of fire in the previous unit. In this unit you will learn about two other common hazards. These are the hazards because of radiation and chemical substances i.e., substances hazardous to health. The radiation hazard is generally common in a physics laboratory; however, it is equally important for a biology or chemistry technician who has to handle radioactive isotopes, used as tracers. On the other hand a chemical hazard is more likely in chemistry or a biology laboratory; yet it cannot be ignored in a physics laboratory. Therefore proper attention should be given by all the staff working in a laboratory to these hazards. In the next unit you will study about the hazards in a biology laboratory.
Describe the structure of the stomach. How is it modified to carry out its functions? How does It compare to that of the fetal pig?
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Balanced diet: We have dealt with quality and quantity of food. Both of these should be balanced in a diet. A balanced diet is a combination of various foods which can fulfil
Metamorphic rocks Igneous and sedimentary rocks that have been altered from their previous condition through the combined action of heat and pressure below Earth's surface are
A siphon fountain Fit a glass jar (a flask from a used electric bulb) with hole rubber stopper. By one hole place a jet tube which will extend about half way to the top of the
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Check-in Sequences At the time of opening the lab, the following need to be kept in mind: 1. Ensure that the door locks have not been tampered. If any tampering is detected
Media and Scientific Outlook in Culture: Apart from sharing of deeper values through history and continuous interaction, the contribution made by all sections of the people i
Disposal of Chemical Wastes : We shall deal with some commonly occurring chemical wastes. If you need to know more details covering the disposal of a wide range of chemicals, you
What is the reason for colours of actinide
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