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October 17, 2004 The Ryobi AIRgrip laser level is a first-of-its-kind product that uses patented AIRgrip vacuum technology to affix itself to walls without marring surfaces.The AIRgrip laser level ...
It has long been a dream of man to possess the power to walk up vertical surfaces ... have constructed their very own wall-crawler out of an adapted vacuum cleaner. Their 'Ascending Aggies ...