Ukukhiqizwa komdwebo obandayo we-petroleum cracking tube kungabanda, ukudonswa kubanda, ukukhiqizwa okubandayo, ukuxuba okubandayo.Ukusebenzisa inqubo yokudweba, imishini elula, ukutshalwa kwezimali okuphansi, ukusebenza okulula nokugcinwa njalo njalo.Kodwa i-drawback yisinyathelo esiphakathi kwabaningi, izinga lezinkuni.Isebenzisa inqubo ebandayo equ...
Funda kabanzi