A gage with a hypodermic needle that is inserted into the hose at various locations (e.g., just
before the nozzle used with abrasive blasting equipment) to determine air pressure at these
locations.
A gage with a hypodermic needle that is inserted into the hose at various locations (e.g., just
before the nozzle used with abrasive blasting equipment) to determine air pressure at these
locations.