@alcsyndrome すべてお教えしましょうまず鉄筋ていうのが気密断熱性にもっとも優れていて木造は断熱が少しマシ、鉄骨は両方ゴミです
Why is this step necessary? poofion.com might not be the server where you are registered, so we need to redirect you to your home server first. Don't have an account? You can sign up here
poofion.com