Technology exchange agreement with Intel. Intel had introduced the first x86 microprocessors in 1978. In 1981, IBM created its PC, and wanted Intel's x86 processors, but only under the condition that Intel also provide a second-source manufacturer for its patented x86 microprocessors.
The ear canal is shaped somewhat like an hourglassnarrowing part way down. The skin of the outer part of the canal has special glands that produce earwax. This wax is supposed to trap dust and dirt particles to keep them from reaching the eardrum.
1 Clean out any infection or dead tissue on the eardrum or in the middle ear.  Patch the eardrum with a piece of the patient's own tissue taken from a vein or muscle sheath (called tympanoplasty). This procedure will usually take 2 - 3 hours.