Special àtọwọdá fun epo ati gaasi
Lati le ṣakoso epo ati ṣiṣan gaasi, epo pataki ati awọn falifu gaasi yẹ ki o ni awọn ohun-ini ipilẹ wọnyi: lilẹ, agbara titẹ, ailewu, ṣatunṣe, ṣiṣan omi ati iyipada iyipada. Fun titẹ giga, flammable ati epo ibẹjadi ati alabọde gaasi, th ...
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