oil worker checking work of the pumpjack in the oil well of the oil field using laptop - 礦工 個照片及圖片檔技術, 手提電腦, 石油工業
geologist inspecting a mine,explorers collect soil samples in search of minerals. - 礦工 個照片及圖片檔白人, 工程師
London, England- Striking miners display victory signs from upstairs windows at the National Coal Board headquarters in London after they had occuped...Orgreave, 煤礦工人, 1980-1989
South African Police Service officers escort community members to a mine shaft to negotiate with artisanal miners underground to resurface in...南非
antique image from british magazine: klondike gold rush, snookum hill - 礦工 幅插畫檔、美工圖案、卡通及圖標歸檔, 復古風格, 淘金
British Opposition Leader Mrs Margaret Thatcher visited Broken Hill today as part of her Aust. Tour.One of her steps was at the Broken Hill School of...戴卓爾夫人
The wives and children of British miners on a picket line outside one of the two power stations at Rugeley in Staffordshire, during a national strike...英國
Coal miners work underground during their shift at CSM coal mine in the mining district number 463 204/1 in Stonava, Czech Republic on January 15,...
Community members are searched by South African Police Service officers before entering the mine shaft to negotiate with artisanal miners underground...南非
history of mining, child labour, slate pickers in a coal breaker, breaker boys, pennsylvania, usa , victorian, 1890s, vintage photograph 19th century - 礦工 幅插畫檔、美工圖案、卡通及圖標童工, 歸檔, 19世紀風格
