42 Testing, analysis, and evaluation of fire equipment, fire suppression systems, and other commercial and industrial systems, namely, backflow testing, internal sprinkler pipes, fire hydrants, fire pumps, fire hoses, fire extinguishers, standpipes, marine fire suppression systems, halon systems, shaft pressurization, power generator testing, vehicle off-road fire suppression systems, commercial wet chemical systems, paint booths, high-rise sequence testing, fire alarm panels, fire escape systems, emergency lighting and exit signs, restaurant hood and duct systems, alarm and automatic sprinkler monitoring systems, and wet and dry automatic sprinkler systems to assure compliance with industry standards