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.
5. Look for a vacuum with the HEPA filter after the motor. If the motor is after the filter, the motor will emit carbon particles from the brushes in the motor 6. Look for a vacuum with bags that have built in dust flaps or a tab that pulls over the bag opening to minimize the release of dust when changing bags.EPA filters should not be allowed to get wet and as such should not be used for vacuuming water or wet debris. 9. Make sure vacuum wands have a suction control or air vent to control the strength of suction. This is very useful when vacuuming polyethylene sheeting.