SAS 20

Question 1

“the control of all those factors in man’s physical environment which
exercise or may exercise harmful effect on his physical development, health and survival.

Answer 1

environmental health

Question 2

6Fs proposed by Sanitation and Hygiene Promotion Programing Guidelines

Answer 2

• fingers
• flies
• fields
• food
  -fluids
• floor

Question 3

structures and facilities that prevent the fecal contaminations of 6Fs

Answer 3

primary barriers

Question 4

practices that prevent 6Fs from coming in contact with food or the new host.

Answer 4

secondary barriers

Question 5

any matter in the atmosphere other than the natural concentrations of oxygen, nitrogen, water vapor, carbon dioxide, and inert gases that may be detrimental to health or the environment.

Answer 5

air pollutant

Question 6

Any vehicle /machine propelled by or through oxidation or reduction reactions.

Answer 6

mobile source

Question 7

source refers to any building or fixed structure, facility, or installation that emit air pollutants as a reaction product.

Answer 7

stationary source

Question 8

how many km should you change oil to maintain your vehicle

Answer 8

5,000km