-Okun ọkà
-Awọn iwuwo
-Ere ibi-iṣẹ igbona gbona
-Ploper itanna
-Le -min o kere ju wattabiality lati jẹ awọn agbedemeji
-Ard dada ati ohun elo eleyi ti o dara
-Awọn agbara imudara
-Hohogeneous be
-Bi akiyesi si ohun elo kemikali ati ohun-elo igbona.