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Technology News 455 - roof hazard alert modules.

Authors
NIOSH
Source
NIOSH 1997 May; :1-2
NIOSHTIC No.
20000426
Abstract
Some miners unknowingly venture beyond the last row of roof bolts in an underground coal mine. The new permissible-type, intrinsically safe design modules described here represent an engineering intervention strategy toward improving miners' ability to recognize and avoid the hazardous zone of unsupported mine roof. These devices are designed to improve the miner's recognition of the unsupported roof by marking the end of roof support with a flashing red light and a written message warning miners to avoid the unsupported are ahead.
Keywords
Mining-safety; Roof-collapses; Roof-supports; Safety-equipment; Safety-lights
Publication Date
19970501
Document Type
Numbered Publication; Technology News
Fiscal Year
1997
NTIS Accession No.
NTIS Price
Identifying No.
TN-455
NIOSH Division
PRL
Source Name
National Institute for Occupational Safety and Health
State
PA
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