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List of longest tunnels - Wikipedia

This list of longest tunnels in the world ranks tunnels that are at least 13 km (43,000 ft) long. Only continuous tunnels are included; pipelines (also buried) are excluded.

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Electrical, Electronic and Cybernetic Brand Name Index

Introduction. Please note that most of these Brand Names are registered Trade Marks, Company Names or otherwise controlled and their inclusion in this index is strictly for information purposes only.

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Mining accident - Wikipedia

A mining accident is an accident that occurs during the process of mining minerals.Thousands of miners die from mining accidents each year, especially from underground coal mining, although hard rock mining is not immune from accidents.

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Electrical, Electronic and Cybernetic Brand Name Index

Introduction. Please note that most of these Brand Names are registered Trade Marks, Company Names or otherwise controlled and their inclusion in this index is strictly for information purposes only.

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Electrical, Electronic and Cybernetic Brand Name Index

Introduction. Please note that most of these Brand Names are registered Trade Marks, Company Names or otherwise controlled and their inclusion in this index is strictly for information purposes only.

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Luo Yang Wire Rope Inspection Technology Co.,Ltd.-The steel ...

China Luo Yang Wire Rope Inspection Technology Co.,Ltd. The steel wire rope detection,The weak magnetic detection,Global weak magnetic detection,The belt detection,Wire rope

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