Mr Burhanİnan general directorate of the TTK said that the Turkish Hard Coal Enterprise is set to monitor underground miners with chips.Work safety has been a high level priority for years,after past firedamp explosions and industrial accidents.

Mr Inan said that"Sometimes our workers get lost underground and we can't find them.So we decided to track them with chips in order to locate and reach them easily in the event of those kinds of incidents."

Around 2,000 workers are currently being tracked with imported LED chips and the TTK is planning to extend this coverage to all 8,800 employees working underground at the Zonguldak mining coal catchment area.