1. Tsarin zafin jiki da matsa lamba na kwandon;

2. Matsakaicin daidaitattun ka'idodi na bawuloli, kayan aiki, zazzabi, matsi, da kuma ma'aunin da aka haɗa da shi;

3. Tasirin damuwa na zafi a kan flanter na bututun mai a cikin bututun mai (zazzabi mai zafi, bututu mai zafi);

4. Aiwatar da halaye matsakaici matsakaici:

Don kwantena karkashin compaum yanayi, lokacin da digiri na wuri bai wuce 600mmhg ba, matsin lamba na flning flning kada ya zama ƙasa da 0.6mpta; Lokacin da injinakalin injin shine (600mmhg ~ 759mthg), matakin matsin lamba na flning ya kamata ya zama ƙasa da 1.0mpa;

Don kwantena dauke da fashewar kafofin watsa labarai mai haɗari da kafofin watsa labarai masu haɗari, matakin matsin lamba na kwandon ganga na ganga mai haɗawa da flani kada ya zama ƙasa da 1.6mpta;

Don kwantena dauke da kafofin watsa labarai masu haɗari sosai, da kuma kafofin watsa labarai sosai, kimanin matsakaiciyar darajar kwandon kayan haɗi ya zama ƙasa da 2.0mpa.

Ya kamata a lura cewa lokacin da aka zaɓi fannonin mai haɗa kayan aikin da aka zaɓi azaman concave convex ko tenon a saman da kuma giyarwar ƙasa ko tsayayyen filayen. Bututun mai haɗin da yake a ƙasan kwandon ya kamata yayi amfani da tenon da aka taru ko tenon da ke fuskantar flend.