Qalabka caalamiga ah ee U2 iyo Furimaha Dagaalka wuxuu ku habboon yahay in la shiido dhexroor kala duwan, qaababka iyo xaglaha mindiyaha xaradhka, mindiyaha wareegsan, mishiinada qashinka toosan, gravers, dhinta wax-shiidka ee loo isticmaalo mishiinnada xarfaha kombuyuutarka, mishiinnada xardho, xarumaha mashiinnada, mashiinnada xardho, mashiinnada qaybinta, mashiinada calaamadaynta, iwm. Si fudud loo shaqeeyo, saxnaanta sare, saamiga tayada-qiimaha weyn.