A method of processing a purchase transaction for one or more items includes receiving, at a central computing network, MICR information associated with a financial account of a customer. The pump controller unit is configured to control to increase or decrease the amount of adhesive to be taken in by the pump. The protection portion includes a first rib group extending linearly in a lateral direction, a second rib group extending linearly in a second direction vertical direction. The contacts are insulated by a coating positioned on the inside of the housing. The digital sign language translator is small and portable so as to be conveniently transported by the user in order to be handily available to the user as desired. The repeating is done until there is no more motion vector left in the first set.