Ubude bokusekela okukodwa nokukabili buvela njengo-S no-D kukholamu yobude. Kukhona futhi i-diameter yenduku esekela ukufika kububanzi bemishini esetshenzisiwe. Izinti ngesethi ngayinye zibonisa inani langempela lezinduku zohlelo ngalunye. Kukhona futhi umaki omaphakathi oqinisekisa ukuqondisa kwenduku okunconyiwe ngesikhathi sokufaka isicelo.
I-line guard ihloselwe ukuhlinzeka ngokuvikeleka ku-arc over kanye nokuhuzuka kuyilapho ihlinzeka ngokulungiswa okulinganiselwe. Idigri yokuvikela edingekayo emugqeni othile incike ezintweni ezifana nedizayini yomugqa, ukuchayeka ekugelezeni komoya, ukushuba, nomlando wokudlidliza ekwakhiweni okufanayo.
Izici
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