In my past, lived in a town where film was made and packaged in yellow boxes. Part of the process involved human eye inspection of the emulsion coating as the film whizzed past in front of the inspector(s), prior to cutting/spooling/foil wrap/packaging. Late one summer during the early 1940's, random white deposits started to appear on the unexposed emulsion, causing expensive rejection of valuable film. After much head scratching and high priced analyses, the deposit was identified as NaCl, aka salt. No salt in the process, random shifts, random times during the workday, random distance from the edge of the moving film strip, variable size of the deposit, etc. etc. etc. Use of a hidden camera + film sensitive to very dim red light conditions used in the inspection rooms to protect the unexposed emulsion finally revealed the culprit. Any deductions here? Let's see who figures it out. Cause will be posted Friday. Bill Kenyon Global Centre Consulting 3336 Birmingham Drive Fort Collins, CO 80526 Tel: 970.207.9586 Cell: 970.980.6373 **************Get trade secrets for amazing burgers. Watch "Cooking with Tyler Florence" on AOL Food. (http://food.aol.com/tyler-florence?video=4?&NCID=aolfod00030000000002) --------------------------------------------------- Technet Mail List provided as a service by IPC using LISTSERV 15.0 To unsubscribe, send a message to [log in to unmask] with following text in the BODY (NOT the subject field): SIGNOFF Technet To temporarily halt or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL) To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest Search the archives of previous posts at: http://listserv.ipc.org/archives Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 ext.2815 -----------------------------------------------------