What does an equals sign with a slash through it mean in algebra? it means: does not equal to it mean that it is not equal to that, like 4a isn't equal to 5g.hat does an equals sign with a slash through it mean in algebra? it means: does not equal to it mean that it is not equal to that, like 4a isn't equal to 5g.
Steps to Clean the Vacuum: 1  Unplug the vacuum. 2  Remove and empty the vacuum canister or remove and replace the vacuum bag. 3  Clean the vacuum filter and rinse the canister with water if needed.  Straighten a wire hanger and use the hanger to poke through any clogs in the vacuum hose if needed.
1 Topical anesthetics. Topical anesthetics, applied with a swab, are routinely used to numb the area in the mouth or gums where the dental work will be done.  Laser drills. Some dentists are now using lasers to remove decay within a tooth and prepare the surrounding enamel for placement of the filling.