(1) petroleum jelly ::
mmanụ ala jelii(2) petroleum products ::
mmanụ ala na ngwaahịa(3) petroleum industry ::
mmanụ ala na ụlọ ọrụ(4) liquefied petroleum gas ::
mmanụ petrol gasị(5) crude petroleum ::
crude mmanụ ala(6) petroleum pitch ::
mmanụ ala pitch