Abstract: In order to avoid converting a passenger chair, for example in an aircraft, into a passenger bed, the seating surface of the passenger chair is combinable with a separate bed surface to form a surface for sleeping. When the chair is used as a chair, the separate bed surface can be used for other purposes. The cooperation fo the seating surface with the bed surface in forming the surface for sleeping is accomplished in several ways.

Abstract: The present training device is a body of elastically yielding material, such as foam rubber preferably enveloped by a skin-like cover, for example, of rubber. A plurality of lumps of varying hardness, size and configuration are distributed in the foam rubber body in various locations adjacent to the skin-like envelope as well as deeper in the foam rubber body. The lumps may be made of plastics material and may be distinctly sensed by touching and pressing the outer envelope so as to familiarize a person performing the examination with the symptoms of actual breast cancer.