ルーフベンチレーターであれば
rūfubenchirētādeareba
1. If it is a roof ventilator; When it is a roof ventilator
Noun
1. If it is a roof ventilator; When it is a roof ventilator
1. Let's…; Shall we…
1. To have someone do; To let someone do
1. Must do; Have to
1. Cannot have; Cannot do
1. If there is; If you have
1. Don't have.; Don't do.
1. Seems like there is; Appears to be
1. Was; Existed