A mobile communication device has one air interface for wireless communication with wireless LAN and another air interface for cellular telephone communication with a cellular telephone network. The methods provide anisotropic solids without the need for rolling, rubbing, or stretching to impart orientational alignment of the molecules of the solid. A crosslinker reactive with the carbamate functionality is used to react with the carbamate moiety. The product holder carried by a scale, wherein weight of the concentrate is concerned.