41. Richard brought his father, Arthur, into the business to help develop a drill sharpener . 42. Work Sharp released the first ever consumer flexible abrasive belt Knife and Tool Sharpener in 2010. 43. If you use your drill often, another useful tool maintenance item is a drill bit sharpener . 44. His lenses became world-famous because Petzval was also a skillful lens sharpener and precision mechanic. 45. Several cutlery manufacturers now offer electric knife sharpeners with multiple stages with at least one grinding stage. 46. However, due to the three's hardwork, Big Brother still gave them extra sharpeners . 47. She eventually finds a knife sharpener willing to do the job in exchange for her fine jewelry. 48. Would I waste precious minutes at the pencil sharpener and not have enough time to finish my test? 49. I don't care what anyone says, I am the best pencil sharpener in this city! 50. Super Sharpener No . 1 is $ 6.95 at Home Depot and other home improvement stores.
