Static electricity and rotameters.
D000769:Anesthesia, Inhalation / Q000295:instrumentation*; D003521:Cyclopropanes; D004560:Electricity; D005107:Explosions; D006801:Humans; D011175:Positive-Pressure Respiration; D011868:Radioisotopes
D003521:Cyclopropanes; D011868:Radioisotopes