【建筑】撤回，驱动器高大建筑物，高大建筑物金属片，铸造金属基础工程，铸造管

piles

cutting-off piles, sheet pile bulkheads, mould-pipes, moulds under water

bulhead making piles

for sheet delivery piles

compressed air; making of bore piles

driving or removing SHEET(S) piles

driving and withdrawing piles

piles made of concrete