Fashewar Shenhai-Hujja
Ƙididdiga na Ex td a21 yana rarraba shi azaman ko dai Class II, Rukunin B, ko C don ƙayyadaddun ƙayyadaddun fashewa.
| Nau'in Hujjar fashewa | Alamar hana fashewar iskar gas | Alamar Haɗa ƙura |
|---|---|---|
| Nau'in Safe na ciki | Nau'in Safe na ciki | ina,ib,ic,iD |
| Exm | ma,mb,mc | ma,mb,mc,mD |
| Nau'in Barotropic | px,py,pz,pxb,pyb,pzc | p;pb,pc,pD |
| Ƙarfafa Nau'in Tsaro | e,eb | / |
| Nau'in hana wuta | d,db | / |
| Nau'in Nitsar Mai | O | / |
| Yashi Cika Mold | q,qb ba | / |
| Nau'in N | nA,nC,nL,nR,nAc,ncc,nlc,nRo | / |
| Nau'i Na Musamman | S | / |
| Nau'in Kariyar Shell | / | ta,tb,tc,tD |
Ex: Yana nuna cewa na'urorin lantarki sun haɗu da nau'ikan kariyar fashewa ɗaya ko fiye da aka tsara a cikin ma'auni na GB3836 na kasar Sin., sanya shi dacewa ga mahalli masu haɗari masu fashewa.
td: Wannan yana wakiltar kariya ta hanyar amfani da shinge.
a21: Ƙayyadaddun kayan aikin lantarki na Class A da aka ƙera don Yanki 21 fashewar kura saituna.