Shotcrete accelerator injection apparatus and method
Smokestack-mounted airfoil
Sneezing doll improvement
Spa tub fluidic nozzles
Spray nozzle
Spray shield
Spray-forming output device for fluidic oscillators
Stack feeding apparatus
Straw chopper and spreader assembly
Straw spreader
Supply make-up air attachment for exhaust booths
Surge enhanced cavitating jet
Sweeping air stream apparatus and method
System for decontaminating a polluted-air region
System for inducing air flow past a gel type product