Ubufakazi bokuqhuma kwe-Shenhai
Ezilungiselelweni zezimboni, ikakhulukazi ezindaweni eziyingozi, ukuphatha imizila yekhebula ebanzi noma eyinkimbinkimbi kuba yinto ebaluleke kakhulu. Lapho ubude besakhiwo sekhebula elingaqhumi sifinyelela izinga elithile, noma lapho ukuxhumana kwehlukana ngenxa yokuphenduka nokusonteka okuningi, amasistimu wamapayipi endabuko angase abonakale enganele. Kulapho ibhokisi le-junction elivimbela ukuqhuma libaluleka khona.
Ibhokisi lokuhlangana lisebenza njengehabhu elibalulekile phakathi nokugijima kwekhebula, ukwenza kube lula izinguquko ezibushelelezi kanye nokuphathwa kwekhebula okuphumelelayo. Umsebenzi wayo oyinhloko uwukuqinisekisa ukuxhumana okuphephile nokuvikelekile lapho imizila yekhebula inweba amabanga amade noma ihlukaniseke ezindaweni ezihlukene.. Ukusetshenziswa kwe- ibhokisi lokuhlangana elingaqhumi kulezo zimo akwenzi nje kuphela inqubo yokufaka amakhebula ibe lula kodwa futhi iphakamisa izindinganiso zokuphepha ezidingekayo endaweni eneziqhumane., ukuqinisekisa ubuqotho besistimu kagesi kugcinwa ngaso sonke isikhathi.