preservation; storage; display; spacesuit; environment; deterioration; material; pvc; rubber; aluminum; alloy; textile; cloth; handle; handling; clean; stabilize; zipper; analysis; monitor; movement; mannequin; construction; support; tray; rack; system; exhibit; case; design; object; temperature; rh; relative; humidity; light; uv; radiation; pest; insect; pollutant; dust; debris; stress; physical; security