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.
High pressure air and specialized tools are used to dislodge the dirt and debris so that the vacuum can pull it into the containment unit. Air Duct Cleaning: Step 10. The technician inserts the compressed air hose with an air whip which loosens dirt from the duct walls and pushes the dust and dirt to the vacuum.