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Lecture notes CBSE Mathe fur Biologen
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Class notes Biology
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Biology assignment and answer summary1. What is meant by occupational safety?
2. Explain the difference between material and non-material elements supporting occupational
safety
3. Explain the causes of work accidents according to the domino effect theory
4. Mention the material elements supporting safety in the laboratory
5. Mention examples that include unsafe actions
6. Mention and explain the hazard factors that may occur in the laboratory
7. Mention and explain some examples of accidents that can occur in the laboratory
8. Microorganisms are hazardous materials that are widely found in biology laboratories. What
can be done to prevent contamination of microorganisms in the laboratory?
9. Mention the purpose of occupational health
10. Explain the purpose of hazard identification
Answer to task 1
1. Occupational safety and health is a thought and effort to guarantee the needs and physical
and spiritual perfection of workers in particular and humans in general as well as the results of
work and culture towards a just and prosperous society
2. Occupational safety is the supporting elements that support the creation of a safe working
atmosphere, both in the form of material and non-material.
a. The supporting elements of material safety include the following
-work clothes
-helmets
-glasses
-gloves
-shoes
b. The supporting elements of non-material safety are as follows
-tool user manual
-signs and danger signals
-admonitions
-security officers
3. The human negligence factor is 88% while the other 10% is from the factor of the unsuitability
of property assets and two percent other factors.
, 4. Just laboratory just laboratory (lab coat) functions to protect the body from splashes of
hazardous chemicals.
-safety glasses
-shoes
-face shield
-hand mask
-ear protector
-washing eyes
5. The presence of a mixture of chemicals Throwing garbage carelessly at work while joking
around doing work that is not in accordance with skills not carrying out work producers properly
6. In general, accidents that occur in chemical laboratories or chemical industries are caused by
several other factors Attitudes and behavior unsafe conditions lack of control from the
supervisor poisoning irritation fire and burns skin wounds and other hazards.
7. Poisoning poisoning occurs as a result of interaction with toxic chemicals such as ammonia
carbon monoxide chloroform benzene and others irritation fire and burns skin wounds
8. Using gloves and masks 2 give warnings of contaminated areas
9. Occupational health and safety third is our effort to create a healthy and safe work
environment so that it can reduce the probability of work accidents diseases due to accidents
resulting in demonstrations and definitions of work productivity
10. Efforts to find out, recognize and estimate the presence of hazards in a system such as
equipment, workplaces, work processes, producers and others.
Task 2
1. What is meant by the environment and the cabinet with environmental health
2. Mention the scope of environmental health
3. Explain the meaning of environmental sanitation
4. Mention three ways that can be done to maintain a healthy environment
5. Explain the relationship between environmental sanitation and water sanitation
6. There are many water hyacinth plants in the river, is the river water suitable for consumption?
7. At this time the use of plastic bags as containers is replaced with paper bags, can this effort
reduce environmental pollution?
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