female engineer standing in a workshop holding a digital tablet and selecting drill bits - 鑽頭 鑽配件 個照片及圖片檔
portrait of a female engineer operating equipment in a workshop holding a digital tablet - 鑽頭 鑽配件 個照片及圖片檔
Reverse circulation drill head on Seacore barge at Kincardine bridge project site, Firth of Forth bridge.
Reverse circulation drill head on Seacore barge at Kincardine bridge project site, Firth of Forth bridge.
Workers discuss what to do next to drill bit for drill rig at 'Seacant Wall', Lower Manhattan, New York City, USA.
Drill string augur sections piled up as the mini piler withdraws and sections are removed Foundations for an office renovation, Baker Street, London,...
Mini piler removing a section of drill bit Foundations for an office renovation, Baker Street, London, UK.
Adding a piece to the drill bit forming inclinced anchor holes for foundations on a project in central London.
Mx/cover28 DATE: June 20, 2007 CREDIT: Ricky Carioti / TWP. Lake Needwood in Rockville, Md. EDITOR: remote A year later after 2400 people were...
