Cut cured concrete pipe sections with saw or chisel, and cement sections together to form odd shaped fittings.
用锯子或凿子一起切割固化混凝土管段以及水泥部分，形成奇形接头。
In the end, young people have to take hold of that chisel and form their own hearts.
最终，年轻人必须拿起那把凿子，塑造他们自己的心灵。
In the end, young people have to take hold of that chisel and form their own hearts.
最终，年轻人必须拿起那把凿子，塑造他们自己的心灵。
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