He mea nui nā mea hana aila no ka mālamaʻana a me ka laweʻana i ka petroleum a me kāna mau derivatives. Ke koho nei i ka pono o ka tank kūpono kūpono e hōʻoia i ka palekana, palekana a me ka mālama ponoʻana o ka ortroleum. ʻO kā mākou hui e pili nui i nā pahu aila o nā meaʻeluaʻelua.