Qeybta ugu weyn ee batroolka waxaa loo beddelaa badeecooyinka batroolka, oo ay ku jiraan noocyo kala duwan oo shidaal ah. Marka loo eego halabuurka saliida ceyriinka ah iyo iyadoo ku xiran baahida suuqa, warshadaha saliida waxay soo saari karaan saamiyo kala duwan oo badeecooyinka batroolka ah. Saamiga ugu weyn ee badeecooyinka batroolka waxaa loo isticmaalaa "wadeyaasha tamarta", i.e. darajooyinka kala duwan ee shidaalka shidaalka iyo gaasolina. Shidaalkan waxaa ka mid ah ama lagu qasi karaa si loo siiyo gaasolina, shidaalka diyaaradaha, saliida naaftada, saliida kuleylka, iyo saliidaha culus.
saliida ceyriinka ah