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2. Permanent magnet motor - Wikipedia

   en.wikipedia.org/wiki/Permanent_magnet_motor

   A permanent magnet motor is a type of electric motor that uses permanent magnets for the field excitation and a wound armature. The permanent magnets can either be stationary or rotating; interior or exterior to the armature for a radial flux machine or layered with the armature for an axial flux topology.

3. Passive fire protection - Wikipedia

   en.wikipedia.org/wiki/Passive_fire_protection

   Fire-resistance rated wall assembly with fire door, cable tray penetration and intumescent cable coating. Passive fire protection (PFP) is components or systems of a building or structure that slows or impedes the spread of the effects of fire or smoke without system activation, and usually without movement. [1]

4. Here’s Where You Should Store Your Fire Extinguisher ... - AOL

   www.aol.com/where-store-fire-extinguisher-home...

   A fire extinguisher can be the difference between a minor house fire and the total loss of your home. However, a fire extinguisher is only as effective as its accessibility when disaster strikes.

5. Fire extinguisher - Wikipedia

   en.wikipedia.org/wiki/Fire_extinguisher

   A fire extinguisher stored inside a cabinet mounted to a wall In open public spaces, extinguishers are ideally kept inside cabinets that have glass that must be broken to access the extinguisher, or which emit an alarm siren that cannot be shut off without a key, to alert people the extinguisher has been handled by an unauthorized person if a ...

6. Active fire protection - Wikipedia

   en.wikipedia.org/wiki/Active_fire_protection

   Fire extinguishers are one of the most common manual fire suppression devices and are required in all commercial buildings and vehicles. [2] Fire extinguishers can be used with little to no training and are meant for small incipient stage fires. The most common extinguisher is the ABC extinguisher and are found in most offices and homes.

7. Firewall (construction) - Wikipedia

   en.wikipedia.org/wiki/Firewall_(construction)

   There are three main classifications of fire rated walls: fire walls, fire barriers, and fire partitions. A firewall is an assembly of materials used to delay the spread of fire a wall assembly with a prescribed fire resistance duration and independent structural stability. This allows a building to be subdivided into smaller sections.