Manaporofo ny fipoahan'ny Shenhai
Ny marika tsy misy fipoahana amin'ny fitaovana elektrika dia maneho ny fananganana manokana tsy misy fipoahana ampiasaina amin'ireo fitaovana ireo.
| Karazana porofo mipoaka | Symbol tsy misy fipoahana entona | Symbol tsy mipoaka vovoka |
|---|---|---|
| Karazana Safe Intrinsique | ia,ib,i C | ia,ib,i C,iD |
| Exm | ma,mb,mc | ma,mb,mc,mD |
| Karazana Barotropic | px,py,pz,pxb,pyb,pZc | t;pb,pc,pD |
| Nitombo karazana fiarovana | f,eb | / |
| Karazana lelafo | d,db | / |
| Karazana menaka asitrika | o | / |
| Lasitra feno fasika | q,qb | / |
| N-karazana | n / A,nC,nL,nR,NAK,nCc,nLc.,nRc | / |
| Karazana manokana | S | / |
| Karazana fiarovana Shell | / | Fanampiana,tb,tc,tD |
Ireo famantarana ireo dia ahitana karazana karazana, toy ny flameproof “d”, nitombo fiarovana “f”, fiarovana anaty “aho”, asitrika menaka “o”, feno fasika “q”, voafono “m”, karazana “n”, karazana manokana “s”, ary teti-dratsy ho an'ny fiposahan'ny vovoka, ankoatra ny hafa.