Iyasuseka, ilula futhi kulula ukuyifaka.
Abakaki abaqinile abenziwe ngensimbi engagqwali engu-304 bangapheka ukudla okumnandi iminyaka embalwa ezayo ngaphandle kokukhathazeka ngokugqwala, ukubola noma ukugqwala.
I-crossbar ehlakaniphile ilungisa isikhwama endaweni ukuze kuvinjelwe izinkinga ezintantayo kanye nokupheka okuncane; Ngaphezu kwalokho, ingakwazi ukulungisa inani lama-crossbar ukuze ivumelane nosayizi wesikhwama.
Hlela izikhwama zakho eshalofini, ungakwazi ukupheka ukudla okwengeziwe esitsheni se-vacuum, futhi kukhona ukugeleza kwamanzi okuphelele eduze kwesikhwama ngasinye.
Ubakaki uklanyelwe ukuthi ukhipheke futhi ungahlanzwa futhi ugcinwe ngokuqaqa ubakaki.
Iqondile futhi evundlile, ngokusho kwesikhala sesitsha sokukhetha indlela yokubeka.