How to remove varnish<br>Create good ventilation. Whether your sanding or using a chemical solvent, it's a good idea to have ventilation. Open windows and use fans to create cross-ventilation if you're inside.
It is not a good idea to use ventilation while sanding.
( z1 idea :ARG1-of ( z2 good :polarity - ) :domain ( z3 use :ARG1 ( z4 ventilation ) :time ( z5 sand ) ) )