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.
Part #: 2830211. The dual action cleaner that packs a punch! BaseVac NeutraClean is a super-concentrated, pH balanced formula that dissolves and removes organic and inorganic debris in dental evacuation systems.