The thesis designs the pit dewatering scheme of hand-dug piles support of ShenYang subway's ShenYang station construction;

设计了拟建沈阳地铁沈阳站点人工挖孔桩支护施工的基坑降水方案；

youdao

Serra Pelada, at its peak in the 1980s, saw as many as 80, 000 artisanal miners (called garimpeiros) mine roughly 2 million ounces of gold as well as platinum and palladium from a hand-dug open pit.

FORBES: Serra Pelada Set To Resume Gold, Platinum, Palladium Production Again In 2013