Ayyukan amfani da zafin jiki mai yawa kamar ƙarfin matsi, zafin laushin kaya mai zafi, juriyar girgizar zafi da juriyar slag na tubalin da ke hana yumbu su ne muhimman alamu na fasaha don auna ingancin tubalin da ke hana yumbu.
1. Zafin laushin kaya yana nufin zafin da samfuran da ba sa jurewa ke lalacewa a ƙarƙashin matsin lamba mai ɗorewa a ƙarƙashin takamaiman yanayin dumama.
2. Canjin layi yayin sake dumama tubalan da ke hana yumbu yana nuna cewa tubalan da ke hana yumbu suna gajarta ko kumbura ba tare da wata matsala ba bayan an dumama su zuwa babban zafin jiki.
3. Juriyar girgizar zafi ita ce ikon tubalan da ba sa jurewa canjin zafin jiki ba tare da lalacewa ba.
4. Juriyar da tubalin da ke hana yumbu ke jurewa yana nuna ikon tubalin da ke hana yumbun jurewa ya lalace a yanayin zafi mai yawa.
5. Rashin son zuciyatubalin da ke hana yumbushine aikin mazubin triangle wanda aka yi da tubali masu hana ruwa shiga a kan zafin jiki mai zafi ba tare da laushi da narkewa ba.
Lokacin Saƙo: Yuli-05-2023
