31. Preparers can view an IRS YouTube video that explains the PTIN sign-up system . 32. Online ups system is available to provide uninterrupted power supply to all the computer systems. 33. Outdoor UPS systems can either be pole, ground ( pedestal ), or host mounted. 34. A low-level microcontroller-based control system was added to free up system resources. 35. Flywheel maintenance in general runs about one-half the cost of traditional battery UPS systems . 36. Mexican industries already have completed complex Y2K tests and demonstrated back-up systems before international observers. 37. Perks grant special effects, most of which are not obtainable via the normal level up system . 38. The recall involved the 12V low-voltage auxiliary cable from a redundant back-up system . 39. The plant main UPS system can provide direct current for at least 2 h of normal operation. 40. The back-up system consists of an electric motor which supplies pressure to the master cylinder.
