Shenhai bugbamu-Imudaniloju
Awọn agbegbe bii awọn yara iran iran hydrogen, hydrogen ìwẹnumọ awọn yara, hydrogen konpireso awọn yara, ati awọn agbegbe igo hydrogen, mọ fun won ibẹjadi iseda, ti wa ni pataki bi Zone 1.
Ṣiyesi awọn wiwọn lati awọn agbegbe ti awọn ilẹkun ati awọn window ninu awọn yara wọnyi, agbegbe ti o gbooro si radius 4.5-mita lori ilẹ ni a mọ bi Agbegbe 2.
Nigbati considering awọn hydrogen venting ojuami, awọn aaye agbegbe laarin a 4.5-mita rediosi ati ki o to kan iga ti 7.5 mita lati oke ṣubu labẹ Zone 2 isọri.