BSR455 AGENTS OF DETERIORATION

Water can be harmful when it get in contact with unprotected building materials

• Yes

• No

Ultra violet (UV) is a type of long wavelength and high energy radiation

• Yes

• No

Exposure to unobstructed sky will shorten the life span of internal wall paint

• Yes

• No

A Pigeon could harm a building from its droppings

• Yes

• No

Human is considered biological agent

• Yes

• No