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(a) The vaporizer shall be anchored and its connecting piping be sufficiently flexible to provide for the effect of expansion and contraction due to temperature changes.
(b) The vaporizer and its piping shall be adequately protected on the oxygen and heating medium sections with safety relief devices.
(c) Heat used in an oxygen vaporizer shall be indirectly supplied only through mediums such as steam, air, water, or water solutions which do not react with oxygen.
(d) If electric heaters are used to provide the heat, the vaporizing system shall be electrically grounded.