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 Water (tap, distilled, sterile etc.) must be added manually. The simple task of regularly adding cleaning agents to the bottle make this a convenient system.  Identify products that fit your needs and are compatible with your dental unit (contact the dental unit manufacturer).