An animation showing the relationship between pressure and volume when amount and temperature are held constant. Boyle's law (sometimes referred to as the BoyleâMariotte law, or Mariotte's law) is an experimental gas law that describes how the pressure of a gas tends to increase as the volume of the container decreases.
Multiple-alarm fire. One-alarm, two-alarm, three-alarm fires, are categories of fires indicating the level of response by local authorities, with an elevated number of alarms indicating an increased number of phone alarms went off during the fire. The term multiple-alarm is a quick way of indicating that a fire is severe and is difficult to contain.
However, sometimes the only alarm is a telephone that is rung in case of emergency. In a volunteer fire department where volunteers do not staff the station, the firefighters may be summoned to the fire station by siren, radio or pagers, making a station alarm system superfluous.n larger cities fire stations are often named for the primary fire companies and apparatus housed there, such as Ladder 49, or the district which they serve.