Waxaan ku hawlanahay qalab heerkul sarreeya. Shirkaddayadu waxay ku lug leedahay dharka fiberglass silikoon, PU-dahaarka fiberglass-ka, maro galaas ah oo Teflon ah, maro bireed aluminium ah, maro aan dabci lahayn, buste alxanka, maro fiber galaas, kuwaas oo inta badan loo isticmaalo dhismaha, gaadiidka, elektiroonigga, warshadaha kiimikada, ilaalinta deegaanka, difaaca qaranka iyo warshadaha kale. U heellan xakamaynta tayada adag iyo adeegga macaamiisha ee fekerka leh, xubnaha shaqaalahayaga khibradda leh ayaa had iyo jeer diyaar u ah inay ka hadlaan shuruudahaaga oo ay hubiyaan qanacsanaanta macaamilka.