Diseases under the heart disease umbrella include blood vessel diseases, such as coronary artery disease; heart rhythm problems (arrhythmias); and heart defects you're born with (congenital heart defects), among others.
They are two types available: those rated for Class B and C fires, and those rated for Class A, B, and C fires. These extinguishers are available from 2 1/2 to 30 pounds. Caution: when used indoors, these extinguishers will produce a thick cloud of dust, which obscures vision and may cause choking.
Portable extinguishers may use a number of different extinguishing. agents, depending on what type of fire they are designed to extinguish. Every agent extinguishes fire with at least one of the following methods: 1. Smothering â oxygen exclusion. 2. Cooling â reducing the fuel to below its ignition temperature.