Safety Engineering

It is the minimum level of sound that can be heard by humans. Also called the threshold of pain.

Term for any unnecessary sound.

It is the minimum level of sound perceived as painful by the ears. Also called the Threshold of Pain.

Who regulates the Noise Regulation Controls?

6 types of Noise Regulation Controls

How is sound made?

Noise regulation control that involves any change in the physical set up of the workplace.

3 Common Engineering Controls

Noise Regulation Control that keeps the employees away from noise or minimize regular exposure to noise.

How to reduce noise at the source of noise?

How to reduce the noise in the transmission path?

How to reduce the reverberation time?

Which part do the hearing starts?

They are the 3 tiny bones that amplify the sound and send the sound waves to the inner ear and into the cochlea.

3 Ossicles

Example on Noise Administrative Control.

Where are the legal responsibilities of employers and employees contained?

Regulations of the Safety and Welfare Regulations 1995

The prescribed level of noise in the workplace

The maximum noise level for a worker with unprotected hearing.

Maximum noise level for unprotected worker subjected to work at any time.

Percentage of all noise-related injuries that are result of long-term exposure to sounds.

Percentage of all noise-related injuries that are result of a single of sudden sound.

Percent of all noise related injuries that incurred in manufacturing industries.

Percent of noise injuries that are incurred in the construction industry.

Percent of noise injuries that are incurred in the transport and storage industry.

Two root words for toxicology.

What does toxicos means?

It is the study of the adverse effects of chemicals on living organisms.

The study of symptoms, mechanisms, treatments and detection of poisoning especially the poisoning of people.

Factors affecting the severity of toxic in the human body.

Factors affecting the severity of toxic which means the passageway of chemicals.

Factors affecting the severity of toxic in the human body which means the volume of chemicals.

5 common hazardous substances/components in Electronics Workbench

It contains lead which contains lead which can cause lead poisoning

5 effects of lead poisoning

2 countermeasures for lead poisoning

Liquid based substances that can be very hazardous to the excretory system once it penetrated through skin.

Give 2 examples of solvents.

Mostly found in capacitors and contains Beryllium Oxide which is highly poisonous.

Debris from PCB once cut or rubbed by sand paper that can cause asthma.

It is used as flux extracted from the resinous acid of pine trees, Flux is mixed with the solder in order to achieve effective coupling of metals and can cause skin diseases.

Meaning of the MSDS acronym.

It is an important tool for chemical hazard communication. It is also the handbook of chemicals in the workplace.

9 basic parts/contents of MSDS