noun (common) (futsuumeishi)noun or participle which takes the aux. verb suruintransitive verbadjectival nouns or quasi-adjectives (keiyodoshi)contraction;narrowing
車の速度を落とす装置(ハンプや狭さく)について、意見があったら書いてください。
If you have any opinions concerning traffic calming devices (humps, curb extensions, etc.) please write them.