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.
Fans and windows will not create cross-ventilation.
( z1 create :polarity - :ARG0 ( z2 and :op ( z3 fan ) :op ( z4 window ) ) :ARG1 ( z5 crossventilation ) )