In which procedure is the apex of the root removed?

Which of the following statements about smoke control is MOST accurate?

A. Most smoke management systems are ineffective if building occupants are sleeping or impaired. B. The purpose of smoke control is to quickly remove smoke from and introduce fresh air into the fire area. C. Smoke management systems are not activated until the structure has been evacuated and searched. D. Smoke control is any effort to change pressure in spaces adjacent to the fire area to compartmentalize or exhaust smoke.

On a pegboard system, a charge slip provides a record of expenses incurred, payments received, and balance due

Indicate whether the statement is true or false