Our small museum has a number of aircraft engines on exhibit. They are in a hanger bay that often has the hanger doors open during work periods as aircraft are moved in and out. So the environment can be dusty. What material is best for making dust covers for the engines and other objects when the museum is not open but are easily removed and stored when it museum is open - bed sheets, painters drop cloths, canvas, etc. In the operational world we would just use canvas, but now we need something not so heavy and something that will not leave marks or affect paint, etc. Kirk Ransom Minnesota Air Guard Museum http://minnesota.airguard.museum ========================================================= Important Subscriber Information: The Museum-L FAQ file is located at http://www.finalchapter.com/museum-l-faq/ . You may obtain detailed information about the listserv commands by sending a one line e-mail message to [log in to unmask] . The body of the message should read "help" (without the quotes). If you decide to leave Museum-L, please send a one line e-mail message to [log in to unmask] . The body of the message should read "Signoff Museum-L" (without the quotes).