a) Inokodzera kana wadzvanya kana kuskurura bhatani rekumisa nekukurumidza
b) Kushandiswa zviri nyore uye kudzivirira vashandi zvachose kuti vasashande zvisina hanya
c) Inokodzera maswichi ese ari maviri ane dhayamita ye22mm-30mm.
| Chikamu nhamba. | Tsananguro |
| SBL07 | Dhayamita yegomba: 22mm; kukwirira kwemukati: 35mm |
| SBL08 | Dhayamita yegomba: 30mm; kukwirira kwemukati: 35mm |


Kuvharirwa kwemagetsi nemhepo