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.
Windows cannot be opened.
( z1 possible :polarity - :ARG1 ( z2 open :ARG1 ( z3 product :name ( z4 name :op "Windows" ) ) ) )