Motplet ya samar ta hanyar wasan kwaikwayo na hada tsire-tsire da aka haɗa zuwa nau'ikan iri uku, Whatroleum, asphalt da kwalta na zahiri.

Kwal ne na kwalta shine samfurin cock, wato, baƙar fata da aka bari bayan distillation na tura. Bambanci tsakanin wannan abu da kuma mai gyara shi ne kawai a cikin kayan jiki, kuma babu wani fili a cikin wasu fannoni. Bakin THE kwalta yana ɗauke da abubuwa kamar phenanthrene da pyrene waɗanda ke da wahalar yin tunani. Wadannan abubuwa masu guba ne. Saboda abin da ke cikin waɗannan kayan abu ya banbanta, abubuwan da kaddarorin kwal na kwalta zai ma bambanta. Bugu da kari, Taffik Mixusing Shuka masana'antun suna gaya wa masu amfani cewa canje-canjen yanayin suna da tasiri sosai akan kwalta na kwal. Wannan abu ya fi ƙarfin hunturu da sauƙin laushi a lokacin bazara.
Jikin Petrooleum yana nufin saura bayan ɗanyen mai. Gabaɗaya magana, ya danganta da digiri na sabuntawa, petrooleum zai kasance cikin ruwa, semi-m ko m jihar da zazzabi. An adana kwalta na zahiri, kuma wasu na iya samar da yadudduka na ma'adinai ko tara a saman ɓawon burodi na ƙasa. Motar asphalt anan gaba ɗaya kyauta ce ta guba saboda an cire ta ta halitta kuma oxidized.