How about looking into the dust extractors that tool stores like Sears/Craftsman here in the US sell for home shops? I expect that this sort of thing is availabl;e in most countries and are marketed to the home craftman. Just a thought! BTW: There is no Air Force base within 50 miles of my home ;>{ ). Myth BUSTED!!!!! HTH Vic *____________________________________________________________________________________________* *Victor Fraenckel KC2GUI victorf ATSIGN windreader DOT com** * -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist