Canoe design for 50 cm x 50 cm canal
Canoe design for 50 cm x 50 cm canal; with grouting upstream and downstream with 210 kg/cm2 concrete and 20cm x 15 xm curb
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Canoe design for 50 cm x 50 cm canal; with grouting upstream and downstream with 210 kg/cm2 concrete and 20cm x 15 xm curb