Fire Safety and construction Safety Terms

Risk

• The possibility of suffering injury or harm resulting from a hazard.

• A method to eliminate all hazards.

• A guarantee of safety in all situations.

• An assessment of potential rewards without considering dangers.

Class C Fire

• A fire caused by flammable liquids.

• An electrical fire that is extinguished with a carbon dioxide (CO₂) fire extinguisher.

• A fire that involves combustible materials like wood and paper.

• A fire that is extinguished with water.

Class K Fire

• A fire that can be extinguished with water only.

• A cooking oil or fat fire that can be extinguished with CO₂ (carbon dioxide), dry powder extinguishing agents, or by smothering.

• A fire caused by electrical equipment that requires a special extinguisher.

• A fire that occurs in a laboratory setting involving chemicals.

Irritant

• A substance that produces inflammation when it contacts the skin, eyes, nose, or respiratory system.

• A substance that soothes and heals skin irritations.

• A substance that causes allergic reactions in sensitive individuals.

• A substance that is used to enhance the effectiveness of medications.

Toxics

• Substances that are beneficial to health, such as vitamins.

• Substances that are harmful to health, such as poisons.

• Substances that have no effect on health, such as water.

• Substances that are only harmful in large quantities, such as salt.

Image of a classroom setting with a teacher and students discussing safety.

• Safety protocols in the classroom

• How to use a fire extinguisher

• The importance of teamwork

• Best practices for classroom decoration

Ground

• A source that absorbs stray electrical charge.

• A type of electrical circuit.

• A method of increasing voltage.

• A device that stores electrical energy.

Personal Protective Equipment (PPE)

• Safety equipment that an individual wears for protection against safety hazards.

• Clothing worn for fashion purposes.

• Equipment used for recreational activities.

• Tools used for construction work.

Preventive Maintenance

• Regular inspection, cleaning, and repair of equipment to prevent unexpected failure.

• Only repairing equipment after it has failed.

• Routine checks without any cleaning or repairs.

• Upgrading equipment to the latest technology.

Class B Fire

• A fire involving flammable liquids extinguished with a dry chemical or CO₂ extinguisher.

• A fire involving electrical equipment extinguished with water.

• A fire involving ordinary combustibles like wood and paper.

• A fire involving cooking oils extinguished with foam.