This customer, in order to limit and minimize the contamination conveyed by the shoes of the operators as welle as wheels of the trolleys in the access to the laboratory instaledd multiple LTE mats in few minutes. The LTE ultrathin washable decontaminating mat placed before, to put on shoe covers, and after the entrance door the laboratory solved the problem quickly and without installation problems. The photo of the suitcase shows in fact the decontaminating action that the mat has on the wheels.