Abstract: There is provided a method of adjusting a height of a car floor plane of a railroad car relative to a platform of a train station. The method includes, using a height adjusting system mounted to an exterior side of the railroad car adjacent the car floor plane, emitting a first ultrasonic beam towards the platform of the train station and monitoring a reflection of the first ultrasonic beam; and generating a first signal based on said monitoring the reflection of the first ultrasonic beam. The method includes, using a processor, operating an actuator of a suspension system of the railroad car to adjust the height of the car floor plane to a height of the platform of the train station based on the generated first signal.

Abstract: A system including a substrate with an adhesive panel, a shipping item removably attached to the adhesive panel, and a package envelope including the shipping item removably attached to the adhesive panel, where a location of the adhesive panel within the package envelope renders the package envelope suitable for an automated handling process of a shipping authority.

Abstract: An attached collar guard positioned against an inner surface of a collared garment comprising an absorbing liner attached against the inner surface of a neck portion of a collar, where the liner is detachable; and at least two fasteners to attach the absorbing liner to the collar, where the fasteners are flat to rest flush against a wearer's neck. The collar guard protects the shirt collar from sweat and moisture thereby preventing staining on the shirt.