Nilfisk

For battery plants it supplies mobile and fixed vacuums for mixing, coating, calendering, slitting, cell stacking, tab welding and packaging. Its site notes that loose particles in these steps can contaminate cells and cause short circuits.

Nilfisk A/S is headquartered in Copenhagen, Denmark, and has been in business for more than a hundred years. Its main product lines are floor care machines, vacuum cleaners and high pressure washers for professional users and households.