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HAZARDS &
CONTROL-I
PREPARED BY:
MUHAMMAD SHAKAIB QURESHI
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HAZARDS
Basic Definitions;-Hazards is a substance which has potential to cause harm or physically, mentally injury.OrHazards is a condition or combination of conditions that, if left uncorrected, might lead to an accident, illness, or property damage.
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HAZARDS SYMBOL
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TYPES OF HAZARDS
1.Physical Hazards2.Chemical Hazards3.Mechanical Hazards4.Biological Hazards5.Psychological Hazards6.Ergonomics Hazards
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PHYSICAL HAZARDS
Physical hazards are those substances that threaten an individual's physical safety. The most common types of physical hazards include burn, explosion, chemical reactions, ultraviolet that are visible like frequencies and noise such as infrasound and ultrasound. e.g HAVS (hand arm vibration syndrome)
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CHEMICAL HAZARDS
Those hazards which has potential of toxicity, flammability and reactivity to cause harm
Channels of entry 1.Inhalation (entry by breathing)2.Ingestion (swallowing)3.Absorption (entry through the
skin)
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MECHANICAL HAZARDS
Mechanical hazards are those associated with power driven machines, whether automated or manually operated.The most serious hazards come from moving machine parts which may accidentally come into contact with worker’s body causing injury or death.
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Common
Mechanical Hazards
1. Cutting and tearing2. Shearing3. Crushing4. Puncturing5. Straining and spraining6. Breaking
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Shearing Hazard
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Straining and Spraining Hazard
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Puncturing hazard
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BIOLOGICAL HAZARDS
Sources of biological hazards may include bacteria, viruses, insects, plants, birds, animals, and humans. These sources can cause a variety of health effects ranging from skin irritation and allergies to infections (e.g., tuberculosis, AIDS), cancer and so on.
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PSYCHOLOGICAL HAZARDS
A psychological hazard is a hazard that can affect your mental health e.g. brain washing, bullying, taunting etc.OrPsychological concerns in the workplace include excessive working time and bullying.
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WHAT IS ERGONOMICS?
ERGO=“WORK”
NOMICS=“RULES” OR “LAWS”
Ergonomics literally means “the laws of work”
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OSHA defines ergonomics as
the science of “designing the job
to fit the worker, instead of
forcing the worker to fit the job.”
What is Ergonomics?
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ERGONOMICS HAZARD
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CONTROLS
Types of control Measure.1.Medical control 2.Engineering control3.Administrative control
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Thank you