Labyrinth, Broad-crested, Sharp-crested, Piano keys, and Compound are types of?
Drowning machine Low head dam Weir (hydraulic) Diversion weir Weirs Weir Lowhead dam Weir (dam) Low-water dam
lowhead dam weir hydraulic low water dam low head dam drowning machine weir dam weirs diversion weir weir
weir
WikipediaEntity
Weir