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.
Using chemical solvent is when you should not have ventilation.
( z1 use :ARG0 ( z2 you ) :ARG1 ( z3 solvent :mod ( z4 chemical ) ) :time ( z5 recommend :polarity - :ARG1 ( z6 have :ARG0 z2 :ARG1 ( z7 ventilation ) ) ) )