Connectiing the bentonite mud line to a hydrofraise machine which grinds a narrow trench in the rock with spoil removed in a mud flow the concrete...
Forest of pile rigs at work for the huge foundations of the Kowloon station and associated development for the Airport Line MTR in Hong Kong.建築業
Soil mixing ground support on Boston Big Dig, Central Artery Tunnel Project Massachussetts, USA.挖掘, 建築業, 隧道
Exploitation de gravières et sablières, extraction d'argiles et de kaolin, 16 mai 2016, Voutre en Mayenne, France.
Exploitation de gravières et sablières, extraction d'argiles et de kaolin, 16 mai 2016, Voutre en Mayenne, France.沙礫
Exploitation de gravières et sablières, extraction d'argiles et de kaolin, 16 mai 2016, Voutre en Mayenne, France.
Open kaolin mine, The bleak landscape of an open-cast kaolin mine in West Bohemia. Location: West, Bohemia, Czech Lands, circa 1900-1910, West...
Tongmei Jinyugaolingtu Co. Ltd. Worker breaks raw kaolin blocks in Datong, Shanxi Province, China, on Saturday, Nov. 21, 2009. Imports of coal, used...
Raw kaolin blocks lay in front of a factory in Datong, Shanxi Province, China, on Saturday, Nov. 21, 2009. Imports of coal, used to generate 80...
Tongmei Jinyugaolingtu Co. Ltd. Workers break raw kaolin blocks in Datong, Shanxi Province, China, on Saturday, Nov. 21, 2009. Imports of coal, used...能源
Tongmei Jinyugaolingtu Co. Ltd. Worker breaks raw kaolin blocks in Datong, Shanxi Province, China, on Saturday, Nov. 21, 2009. Imports of coal, used...