Tubbing

• (n.) A lining of timber or metal around the shaft of a mine; especially, a series of cast-iron cylinders bolted together, used to enable those who sink a shaft to penetrate quicksand, water, etc., with safety. • (p. pr. & vb. n.) of Tub • (n.) The forming of a tub; also, collectively, materials for tubs.Tubbing: words in the defini...
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