Izindawo ezifana namakamelo okukhiqiza i-hydrogen, amakamelo okuhlanza i-hydrogen, amakamelo e-hydrogen compressor, kanye nezindawo zamabhodlela e-hydrogen, ezaziwa ngemvelo yazo yokuqhuma, ziqokwe njengeZone 1.
Kucatshangelwa izilinganiso ezivela kumapherimitha eminyango namafasitela kulawa makamelo, indawo enabela kububanzi obungamamitha angu-4.5 phansi ikhonjwe njengeZone 2.
Lapho ucubungula izindawo zokungenisa i-hydrogen, indawo engaphakathi kwebanga elingamamitha angu-4.5 futhi ifinyelela ukuphakama 7.5 amamitha ukusuka phezulu awe ngaphansi kweZone 2 ukuhlukaniswa.