The miners used front-loader machines that were not damaged in the collapse to clear the rubble.

CNN: STORY HIGHLIGHTS

The company says the Abi-Loader is designed to be used with estate cars, MPVs and some hatchbacks.

BBC: Roadshow reveals disability aids

The Abi-Loader device - from Hertfordshire-based Steering Developments - can be used to deliver a folding or fixed-frame wheelchair to the driver's or passenger's door from the rear of the vehicle.

BBC: Roadshow reveals disability aids