Engineering Controls 11 : Physical features or mechanical processes within fixed facilities or vehicles that are implemented to improve efficiency, safety, or comfort associated with their operation or use
NFPA 1581 Standard on Fire Department Infection Control Program, 2000 ed. http://www.nwcemss.org/assets/1/policy_manual/NFPA 1581.pdf, (Std: Fr Dept Infection Cont Prog - Amer) {402 NFC}