WHAT IS SAFETY AND THE IMPORTANCE OF SAFETY
Safety is a
state of being “safe”, the condition of being protected against physical,
occupational or other consequences of failure, damage, error, accidents, harm
or any other event which could be considered non desirable. Safety can also be
defined as the control of recognized hazards to achieve an acceptable level of
risk.
The
importance of safety in a work place cannot be over emphasized. They include;
- To avoid loss of life.
- To avoid loss of property and machines.
- Teaches workers how to work in a safe environment.
- Helps everyone feel safe and happy.
- Teaches workers to pay attention to their surroundings.
- Protects company from law suit, citations and fines.
MEANING OF FIRE AND THE ELEMENTS OF FIRE
Fire is
defined as a chemical reaction between two or more substances that can evolve
to heat and light. These substances include air such as oxygen, fuel such as
DPK and a source of heat. When these elements are represented diagrammatically
it forms a triangle.
CLASSES OF FIRE AND
METHODS OF EXTINGUISHING
Classes of
fire include – A,B,C, and D
Classification
of fire is based on what is burning.
Class A
Class A fires consist of ordinary combustibles such as wood, paper,
trash, cloths, nylon, wood, rubber, plastic etc. water works best to extinguish
a Class A fire.
Class B
This are
fire that involves flammable liquid or combustible liquids such as paint,
kerosene, petrol, diesel, animal fat etc. The best method of extinction is
smothering.
Class C
This fire
involve gaseous materials e.g. propane, ethane, butane, methane and natural
gas. Extinguisher such as carbon dioxide is used in class c fire
Class D
This fire
involve combustibles metal fires. Magnesium and titanium are the most common
types of metal fires. Once a metal ignites do not use water in an attempt to
extinguish it. Only use a Dry powder extinguishing agent. Dry powder agents
work by smothering and heat absorption.
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