There is an electrolyzer on the roof of the factory building (which is not enclosed but open), and it produces hydrogen gas. Should the factory building be classified as Category A? ?
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There is an electrolyzer on the roof of the factory building (that is, on the roof, exposed with nothing covering it, fully exposed to the air) that produces hydrogen; does this mean the factory building should be classified as Category A? ?
What if it’s open on all sides, with only a roof? ? ? Should the factory building be classified as Category A at this time? ? ?
Additionally, the area occupied by electrolysis equipment exceeds 5% of the factory building area