| http://www.w3.org/ns/prov#value | - urfaces of uninsulated transfer connections, valves, and other equipment, or from the cold liquid or boil-off vapors which may result from spilled or splashed liquid.Any transfer operations involving open containers such as dewars must be conducted slowly to minimize boiling and splashing of the cryogenic liquid, and such operations must be conducted only in well-ventilated areas to prevent the po
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