si kulul loo riixo waqti dheer oo shaqeynaya goynta waxtarka sare leh ee dhagaxa weyn ee marmarka
Si xirfad leh u gooya dhammaan noocyada kala duwan ee dhoobada dhoobada adag, ceramics, habaysan oo la cusboonaysiiyay goynta dheeman dheeman goynta 300-400 mitir ee macaamiisha leh xawaaraha goynta degdega ah, aan dumin cidhifyada, hufnaanta sare iyo shuruudaha sare.
oo leh dhudhunka la isku duubay, oo leh laan goyn ah oo aad u af badan, goynta ayaa ah midka ugu dhaqsaha badan, labada dhinac ee kaabashka lama kala goyn
| METRIC | QAYBKA XANUUNKA | QAYBTA Cabbirka |
| 105mm | 20/22.23mm | 1.2*10 |
| 115mm | 20/22.23mm | 1.2*10 |
| 125mm | 20/22.23mm | 1.2*10 |
| 180mm | 20/22.23mm | 1.4*10 |
| 200mm | 22.23 / 25.4mm | 1.6 * 10 |
| 230mm | 22.23 / 25.4mm | 1.8*10 |
| 250mm | 22.23 / 25.4mm | 2.0*10 |
| 300mm | 22.23 / 25.4mm | 2.2 * 10 |
| 350mm | 22.23 / 25.4mm | 2.4 * 10 |
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