Some mines use steel cages to transport their workers straight down into the maze of tunnels. Others use steep roads - known as drifts - that descend from the surface. Miners use these portals to travel in a dolly car to reach what is known as the pit floor.
But simply reaching the pit floor of an underground coal mine is only half the journey. Miners still have to make their way to the rock face.
OVERLAND PARK, KAN. ---October 18, 2013---GE (NYSE: GE) announced today that the expanded polytetrafluorothylene (ePTFE) membranes used in eVent fabrics for apparel and footwear for outdoor activities, cycling and snow sports, have been awarded the OEKO-TEX® Standard 100 certification.