An IR calibrator (a tool for the office) and a garage door safety stop pressure gauge (a tool for public relations).
Powitz
Robert W
RW
Balsamo
James J
JJ
D001336:Automobiles; D002138:Calibration; D006798:Housing; D006801:Humans; D011312:Pressure; D017751:Safety Management / Q000379:methods*; D013821:Thermometers / Q000592:standards*