A methodology and apparatus for cutting shape or profile through well tubular, or for completely circumferentially severing through multiple tubulars, including all tubing, pipe, casing, liners, cement, other material encountered in tubular annuli. The apparatus comprises an electronic timing mechanism which executes a dosing schedule, the dosing schedule being comprised of at least one dosing time interval. The method can include cooling the article of footwear on the customer’s foot to custom fit the article of footwear. Slots are cut in one end of the rotor assembly about the center of the rotor assembly. During subsequent searches, crawl numbers are used to determine documents that have changed since a specified crawl.