For digging holes of construction ground work, chasm digging and mud, sand. Coal. gravel loading.

建筑地基的基坑挖掘、深坑挖掘及泥、沙、煤、碎石的装载。

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During the construction of tunnels in karst mountain, water inrush and gushing mud (sand) disaster has ranked the first in all the disasters.

在岩溶地区隧道施工过程中，涌水、涌泥(砂)已经成为隧道施工的第一大害。

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The mud, sand and metabolized products of plankton in bittern of salt lake bring serious difficulty for deep processing of salt chemical product.

盐湖卤水是无机盐工业的基础，但其中含有的泥沙、浮游生物代谢产物给盐化工产品的深加工造成严重的困难。

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The walker had to be pulled from the waterlogged mix of mud and sand by Dorset Fire Service on Friday.

BBC: Walker saved from waterlogged Swanage beach

Steamers are usually harvested from sand or mud tidal flats.

NPR: Recipes: 'The Summer Shack Cookbook'

The event is held every Memorial Day weekend in Ferndale, California, as artists race their bizarre wares across a 42-mile course over three days, including sections on land, sand, mud and water.

BBC: Kinetic sculptures race land and sea