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Auto Warning TellL Tale Extensometer Model-AWTT-O1 INTRODUCTION AWTT is primarily used in depillaring area.When bed separation exceeds certain value during depillarling operation (7mm in case of jhanjhara area) roof fall is likely to take place. AWTT is set to trigger at about 2mm less than specified value. When AWTT starts blinking, the machine & personnel are withdrawn to safer place.
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