Grade 8 Rationalized Pre-Technical Studies Lesson Notes (Complete)

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Download comprehensive Grade 8 Rationalized Pre- technical Lesson notes. the notes are well detailed with clear diagramatic illustrations to meet grade 8 classroom studies. get your copy now
GRADE 8 PRE- TECHNICAL STUDIES RATIONALIZED LESSON NOTES

STRAND 1: FOUNDATION OF PRETECHNICAL STUDIES
1.1 FIRE AND DATA SAFETY
Importance of safety in a work environment.
? Reduces financial losses needed to repair damaged property.
? Increases business rating because of customer and worker satisfaction.
? Reduces job losses that comes from permanent injuries.
? Reduces financial losses needed for medical expenses.
? Reduces damage to property because of lower number of accidents at workplaces. ? Reduces cases of injury because of lower number of accidents at workplaces. ? It improves productivity.

Causes of fire in a work environment.
? Some of the possible causes of fire outbreak in the work environment include:
? Faulty equipment such as extension cables in places such as kitchens, offices, workshop or warehouses.
? Fires when performing tasks such as welding, flame cutting or grinding. This work generates heat, sparks or flames to cause fire.
? Improper storage of flammable and combustible materials such as flammable liquids or charcoal in workplace.
? Human errors such as using equipment such as electric cooker incorrectly, not reporting faulty machinery as well as leaving cooking food unattended may lead to fire accidents.

Injuries caused by fire at work places.
? Injuries caused by fire occurs when you get in contact with open fire or burning objects.
? Some of the injuries caused by fire in a work environment include:
? Burns-where fire raises temperature of the skin and tissues causing the tissues and cells to die.
? Smoke chocking- where the victim suffers obstructed breathing, seizures and comas.
? Chemical poisoning from inhaling poisonous fumes such as carbon monoxide. Shock where a victim develops abnormal heart rhythm and becomes unconscious.

Prevention of fire outbreaks in a work environment.
? Ways of preventing fire outbreak in the environment include:
? Providing enough safety and security at work premises.
? Keeping a work environment clean and orderly.
? Being cautious when performing activities using open fire.
? Having all equipment well services and maintained.
? Allowing for easy access to electrical switches and fire alarm equipment.
? Storing and handling flammable materials and liquids with care.

Types of fire injuries and their first aid requirements.
Different types of fire injuries require different First aid approaches.
The first aid for different fire injuries are as follows:
Performing First Aid for fire burns.
? Assess (find out) the situation to ascertain your own safety.
? Immediately get the person away from the heat sources to stop the burning.
? Cool the burn with cool or lukewarm running water for 20 minutes.
? Remove any clothing or jewellery that is near the burnt area of the skin. Do not move anything stuck to the skin.
? Make sure the person keeps warm using a warm cover such as blanket, but take care not to rub it against the burnt area.
? Cover the burn by placing a layer of cling film over it.
? If the injury is on the face, sit up as much as possible, rather than lying down. This helps to reduce swelling.

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