Ishubhu lensimbi elinomumo okhethekile owenziwe nge-tapered elenziwe ngokugoqeka kwepuleti nokushiselwa, lifanele izinciphisi, amagobolondo ezinto zokusebenza, imikhono yenqwaba, nezingxenye zesakhiwo ezingajwayelekile.
Ishubhu lensimbi elimise okusaqanda elikhethekile elinengxenye egoqekayo ebushelelezi, ukusatshalaliswa komthwalo okulinganiselayo, nobukhulu obungenziwa ngendlela oyifisayo bokuhlobisa, imishini, izakhiwo, kanye ne-low-pressure ducting.
Ishubhu lensimbi elikhethekile elingunxande/le-engeli yesokudla elinengxenye eyimbobo efanayo, ukusebenza okugoba okuqinile, nobukhulu bangokwezifiso bezakhiwo zensimbi namafreyimu okuhlobisa.
