Conservation picture framing is a specialized, yet semi-industrial art. It is practised by a bewildering array of qualified and unqualified experts, all possessing and proffering a multitude or views, standards, opinions and qualifications. Nevertheless, in spite if of the diversity of views, skills and practices, there are several obvious, unambiguous and distinct framing methods and materials which are .. anathema to any half-decent, self-respecting, practising conservation picture framer. First of these is using any kind of household or industrial tapes to tape, or hold into place, customers' artwork anywhere inside or outside the picture frame. These tapes have adhesives which not only tend to fail with time, but also tend to stain, mark and burn artwork. A conservation hinging tape must be used and the artwork is hinged, rather than taped. Second is using M.D.F. ..