Mu gawo lokulirakulira la zipangizo zamafakitale, ma resini a haidrojeni okhala ndi ma hydrocarbon akhala zinthu zofunika kwambiri pa ntchito zosiyanasiyana. Amadziwika kuti ndi olimba kwambiri pa kutentha, osasinthasintha komanso ogwirizana kwambiri, ma resini amenewa amagwiritsidwa ntchito kwambiri popaka, kumatira...