elf ontained reathing pparatus. Masks and air tanks worn by firefighters to protect them from smoke and other toxic gases. One brand of SCBA is the Scott Pak(tm), which has become a generic term for all types of SCBA. (see Cascade)
mechanical means for stopping and starting flow in a conduit; many types used in firefighting, including gate–, foot–, clapper– (backflow preventers), sprinkler-heads, etc.