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warnings and cautions
GENERAL WARNINGS AND PRECAUTIONS CAUTION: HIGH PRESSURE GAS CAN CAUSE RAPID SUFFOCATION. STORE AND USE WITH ADEQUATE VENTILATION. USE EQUIPMENT RATED FOR CYLINDER PRESSURE. USE A BACK FLOW PREVENTATIVE DEVICE IN THE PIPING. CYLINDER TEMPERATURE SHOULD NOT EXCEED 52 C (125 F). CLOSE VALVE AFTER EACH USE AND WHEN EMPTY. USE IN ACCORDANCE WITH THE MATERIAL SAFETY DATA SHEET (MSDS). INHALING HELIUM TO ALTER THE VOICE MAY PROVE FATAL AND SHOULD NOT BE PERMITTED. FIRST AID: IF INHALED, REMOVE TO FRESH AIR. IF NOT BREATHING, GIVE ARTIFICIAL RESPIRATION. IF BREATHING IS DIFFICULT GIVE OXYGEN. CAL A PHYSICIAN. DO NOT REMOVE THIS PIPING. CAS 7440-59-7