NCB Engineering | Coal, Colliery and Mining Forum.
Is there anyone on here who worked at the NCB Engineering facility at South Normanton in Derby/Notts Coal field during the 1970's & 1980's ? Regards
Old NCB Training Booklets. | Coal, Colliery and Mining Forum.
I'm looking for old NCB training booklets, either to purchase, be donated, or good copies, NOT JPG images!! Roof Support and Control. Shaft Story. Health and Hygene. Moving Coal …
Collieries the NCB Sunk. | Coal, Colliery and Mining Forum.
2016年2月8日 · Collieries the NCB Sunk. Mining Methods and Geology. Long and Shortwall mining. Bord and Pillar Methods.
Mine Gasses Booklet. | Coal, Colliery and Mining Forum.
2009年7月11日 · I uploaded the old NCB training booklet Mine Gasses to my website yesterday, this is the original version, so called it "Old Mine Gasses" I'm working on the later version right …
Profitability of Collieries. | Coal, Colliery and Mining Forum.
2012年11月13日 · I wonder what constituted profitability in the late 1960's?? I never really thought about this, but my old pit was producing 15,000 tons a week of saleable product, mostly power …
Advance Boring drills | Coal, Colliery and Mining Forum.
2013年8月2日 · NCB/British Coal. Pits of The Midlands. Remains of the UK Coal Industry. Pits of The North West. Scottish ...
My Website. | Coal, Colliery and Mining Forum.
2009年8月6日 · After The NCB/BC, Privatisation. Pre NCB Mines. Unions and Strikes. Engineering. Electricity in Mines. ...
Once the Pits were Gone | Coal, Colliery and Mining Forum.
After The NCB/BC, Privatisation. Once the Pits were Gone. Mining Methods and Geology. Long and Shortwall ...
DBT Mining | Coal, Colliery and Mining Forum. - ProBoards
NCB/British Coal. Pits of The Midlands. Remains of the UK Coal Industry. Pits of The North West. Scottish ...
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考虑到这个因素，谷歌可以检测到使用 制作的内容。 另一个必须考虑的因素是，使用 创建的关于同一主题的两个或多个文本的相似性可能有很多相似之处，因为信息将从同一个地方提取，包 …