anything better?4 ] v5 P0 R! M* w, `0 T9 T- H
0 v, s/ s) r0 _: p+ [- @3 O7 z1 [
I had the same problem before. I asked the same question and the answers are almost the same. But I think the most effective way is to use the outer cycle, that is, to let the air come in from outside.