Throughout pumping, maintain constant vacuum, prevent tank wall damage, break up heavy solids with agitation

https://xeon-wiki.win/index.php/Hydro-Jetting_vs_Conventional_Sewage-disposal_Tank_Cleaning:_When_as_well_as_Why_to_Utilize_Each

Throughout pumping, maintain constant vacuum, prevent tank wall damage, break up heavy solids with agitation, and never ever get in the tank; fatal gases require strict confined-space security protocols.