efficiency considerably germany is car country statistically every 2nd president owns an automobile christiane harnish does to the engineer also knows that when old cars end up in the junkyard a mountain of scrap and waste discreated hunnish wants to salvage and recycle as much of the old cars as he can and he'd like to make a living from it. christiane hunnish founder of a small company that recycles car batteries it specializes in batteries for electric vehicles which contain a lot of valuable raw materials especially metals but it's not easy to extract them and it can also be dangerous. but that didn't discourage the businessman. i think me the batteries are already out there so it makes sense to extract the raw materials and reuse them we saw the huge potential in that. 10 years ago the process engineer founded the dews infeld company this special shredder is at the heart of the firm it shreds the scrap batteries turning them into a granular. there's a good reason for the thick steel plates in the machine they protect the inner walls from the liquid components in the battery electrolyte which is h