Malo ngati zipinda zopangira hydrogen, zipinda zoyeretsera hydrogen, zipinda za hydrogen compressor, ndi madera a botolo la haidrojeni, amadziwika chifukwa cha kuphulika kwawo, amasankhidwa ngati Zone 1.
Poganizira miyeso yochokera kumalire a zitseko ndi mazenera m'zipindazi, the area extending to a 4.5-meter radius on the ground is identified as Zone 2.
When considering the hydrogen venting points, the spatial area within a 4.5-meter radius and up to a height of 7.5 meters from the top falls under Zone 2 classification.