1. ni lilo pupọ ni isediwon epo, isọdọtun epo, ile-iṣẹ kemikali, ologun ati agbegbe miiran ti o lewu ati awọn iru ẹrọ epo ti ita, awọn ọkọ epo ati awọn aaye miiran fun ina ti o wọpọ ati ina ṣiṣẹ;
2. Dara fun agbegbe agbegbe gaasi bugbamu 1, agbegbe 2;
3. bugbamu bugbamu: kilasi ⅡA, ⅡB, ⅡC;
4. Dara fun ayika eruku ti a fi iná ṣe ni agbegbe 22, 21;
5. Dara fun awọn ibeere aabo giga, awọn aaye ọririn.