Disclosed herein is a polymer composition, its manufacture and use, said composition may comprise greater than about 90 mole % propylene monomer, and having a unique combination of properties, including one or more of the following: a heat of fusion of more than about 108 Jg, a melting point of 165\xb0 C. The communication unit has a bus master function, including a cache memory for recording IO data stored in the memory of an input-output unit. A gap is provided between the power plant unit and the impact cushioning member so that the power plant unit moves in a case where a collision load is applied from an outside of the vehicle. One or more reusable thermal packs can be located on the inner sides of the receptacle, to maintain a selected temperature surrounding the vial. Each card has a challenge question or task disposed thereon which a user has to answer or perform.