29. When monitoring the HVAC system, overcooling causes condensation on equipment, and too-dry environments lead to excessive static.
30. A wet-pipe fire-suppression system is the one that most people think of when discussing an indoor sprinkler system.
31. Dry-pipe systems work in exactly the same fashion as wet-pipe systems, except that the pipes are filled with pressurized air rather than water.
32. The following are fire classes and suppression remedies:
• For Class A fires (trash, wood, and paper), water decreases the fire’s temperature and extinguishes its flames.
• Foam is usually used to extinguish Class B fires, which are fueled by flammable liquids, gases, and greases.
• Class C fires ...