Yayin sarrafa bangarorin bangon waje da lodawa da sauke bangarorin bangon waje, ya kamata a yi amfani da dogayen bangarorin a matsayin bangaren damuwa, kuma ya kamata a kula da bangarorin a hankali don kaucewa karo da lalacewar bangarorin;
Lokacin sarrafa takarda guda, yakamata a matsar da takardar a tsaye don kaucewa lalacewar takardar.

Theasan farfajiyar sufuri yana nufin dole ne ya zama shimfida, kuma yakamata a gyara bangarorin bango na waje bayan lodin da aka yi a kwance don kauce wa lalacewar samfura saboda ɗaukewar bangarorin bango na waje yayin yin gyara;
Rage rawar jiki yayin jigilar kaya don hana haɗuwa da ruwan sama.

Yanayin sanya bangarorin bango na waje ya kamata su zama masu iska kuma sun bushe, kuma shafin dole ne ya zama mai faɗi kuma mai ƙarfi;
Lokacin amfani da matashin katako murabba'i, tabbatar cewa samfurin bai lalace ba;

Lokacin sanya su cikin sararin sama, yakamata a rufe bangarorin bango na waje da zane mai hana ruwa;
Lokacin adana bangarorin bango na waje, yakamata a kiyaye su daga manyan zafin jiki da yankunan zafi, kuma kada a haɗasu da abubuwa masu lalata kamar mai da sinadarai.

Lokacin buɗe fakitin bangon waje, yakamata ku fara kwance shi, sannan ku kwance shi daga saman kunshin kayan, kuma fitar da allon daga sama zuwa ƙasa;
Kar a buɗe bangon bango na waje daga gefe don gujewa ƙwanƙwasawa a kan allo.

Bayan an yanke bangon bango na waje, za a haɗa bayanan ƙarfe na baƙin ƙarfe zuwa farfajiyar da ƙwanƙwasa ɓangaren, wanda yake da sauƙi don tsatsa. Ya kamata a cire ragowar ƙarfen da aka rage.

A yayin gini, ya kamata a mai da hankali don kare farfajiyar bangon waje don guje wa ƙwanƙwasawa da tasiri.

Guji aikin gini lokacin da ake ruwan sama;

A yayin aikin ginin, hana farfajiyar bangon waje tuntuɓar ruwa don hana ruwa na ciki sauka daga farfajiyar, haifar da lalata da tsatsa a saman ɓangaren, rage ayyukan sabis ɗin.

Guji amfani da shi a cikin zazzabi mai zafi, ɗumi mai yawa, da wuraren fitowar ruwa (kamar ɗakunan tukunyar jirgi, ɗakunan konewa, maɓuɓɓugan ruwan zafi, injinan takarda, da sauransu).

Don dogo da ke fitowa daga bango, bututun bangon kwandishan da bututun condensate, yakamata a adana girman da ya dace kafin a sanya farantin. Kar a bude ramuka bayan an saka farantin.
Idan akwai mambobi masu tallafi don kwandishan, iska da sauran wurare a farfajiyar bangon, yakamata a aiwatar da walda da sauran matakai kafin a shimfida bangarorin bango da kayan ruwansu.