1 Foreground code is running, interrupts are enabled. 2  Interrupt event sends an interrupt request to the CPU. 3  After completing the current instruction(s), the CPU begins the interrupt response. 4  automatically saves current program counter. 5  automatically saves some status (depending on CPU).
Impregnator or penetrating sealers are designed to penetrate below the. surface of the stone and either deposit solid particles in the pores of the stone, or coat the individual minerals below the surface. Penetrating. sealers work by restricting water, oil and dirt from entering the stone or tile.
Posted 6 July 2010 - 03:39 AM. The felt rings are impregnated with an oily corrosion inhibitor. It helps to seal the posts to the case. That is why they last for years and never foam up as they would if they were impregnated with baking soda (Sodium Bicarbonate).