China - Using high-pressure water jet in mining operation
Picture No
11037568
Media ID
46712425
Size
5237px x 3316px
(2.0MB)
Credit
Mary Evans / Grenville Collins Postcard Collection
Source
Unattributed postcard
Date
circa 1930s
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Eroding Erosion High-pressure Hydraulic Metals Miner Mines Pipes Pressure Washer Wide Brimmed Wide-brimmed
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