Q1222 P1 = 20mm Iinkcukacha zemveliso Ububanzi: I-24mm I-Paitch: 20mm A0: 14.40mm B0: 14.40mm K0: 2.10mm Ubude: 90m Thumela i-imeyile kuthi Q1212 14.40 × 14. $ × 2.10 p1 = 20mm yomzobo Khuphela