The 14.25-kilometer Chongming-Taicang Yangtze River tunnel — featuring three vertical shafts and connects Shanghai's ...
Shaft sinking original-equipment manufacturer Herrenknecht is engaged in numerous feasibility studies with mining contractors in South Africa and other African countries, such as Zambia, for the ...
MINSK, 28 September (BelTA) – The first of the two shaft boring roadheaders (SBR machines) has been delivered to the site of the Nezhinsky potash mining and processing factory in Lyuban District, ...
China's domestically developed, world's largest-diameter vertical shaft boring machine 'Qiming' was officially put into ...
Add Yahoo as a preferred source to see more of our stories on Google. Next year, the first modern tunnel-boring machines ever used in New Jersey will arrive in North Bergen to begin drilling the first ...
MINSK, 16 October (BelTA) – The installation of the first shaft boring roadheader (SBR machine) has begun in the Nezhinsky potash mining and processing factory in Lyuban District, Minsk Oblast, BelTA ...
China's domestically developed, world's largest-diameter vertical shaft boring machine 'Qiming' was officially put into ...