What is the type of cell that destroys excess bone?

When salvage operations are performed and contents are removed from the structure, the salvage operations may:

A. require proof of insurance from building owners/occupants. B. require building owners/occupants to agree to the removal. C. interfere with rehabilitation efforts to bring water to firefighters. D. interfere with suppression and ventilation crews using the same doors.

In a cost-benefit analysis, which of the following would be a tangible benefit?

A) Benefits that exceed the direct costs B) Benefits that can be directly related to their costs and evaluated accordingly C) Benefits after taxes D) Benefits that are calculated on a net-worth basis