Waxyaabaha ugu muhiimsan ee dambiisha wareejinta walaxda waa walxaha PE, iyada oo loo marayo habka qaabeynta duritaanka alaabada caaga ah ee isku dhafan, guud ahaan waarta, oo leh adkeysi xooggan, tuuriddu ma fududa in la dhaawaco, si ballaaran ayaa loo isticmaalaa, oo caan ku ah dhammaan qaybaha gaadiidka nolosha, baakadaha ka hortagga waxyeelada, kaydinta iyo kaydinta, kala soocida khadka wax soo saarka iyo wixii la mid ah.Caaryada taxanaha ah ee balaastigga ah (oo ay ku jiraan caaryada sanduuqa biirka caagga ah, caaryada biyaha caagga ah, caaryada sanduuqa khudradda caagga ah, caaryada sanduuqa baakadka, caaryada sanduuqa dhammaystirka, caaryada sanduuqa caagga ah, caaryada sanduuqa shaabadaysan, caaryada sanduuqa galoofyada, caaryada sanduuqa kaydinta, iwm.) birta caaryada loo isticmaalo: 45 #, 40 Cr, P20,2738,2316,718, NAK 80, S136 iyo wixii la mid ah.