Mapangidwe:

X15 ndiCholinga cha mitundu iwiri-yolimba kwambiri. Chipinda choyendetsa bwino kwambiri chimayendetsa bwino kwambiri ndi chowongolera pafupipafupi ndi khomo lalikulu la diaphragm), ndipo ulalo wotsika-wotsika ndi mapepala okwanira 15 ndi unit. Nyanga yake imapangidwa molunjika ndipo imatha kuzungulira, yomwe imapangitsa kuti kupachika ndi kukhazikitsa wokamba nkhaniyo mosavuta komanso mwachangu. Mapangidwe okhazikika ndi okhazikika amachepetsa kwambiri zovuta zomwe zimayambitsidwa ndi mayendedwe ndi kukhazikitsa. Phokoso lake ndi lowonekeratu komanso lomveka, mawuwo ndi okhwima ndipo malingaliro a danga ndi amphamvu kwambiri.

Kapangidwe kake:

Kapangidwe ka nduna yotengera trapezoidal, yomwe imachepetsa kumveketsa kwa mafunde oyimirira m'bokosi. Chipangizo cholumikizidwa ndi mbali zitatu ndi chothandizira pansi cha bulaketi chimapangitsa kukhazikitsa majekiti mwachangu komanso kusinthika.