"penstock"@en-us . "sluice valve"@en-us . . . . "104244615"^^ . . . . "0.201323"^^ . . . . . . . "0.154038"^^ . "0.100474"^^ . . . . . "0.0409887"^^ . . "0"^^ . . . "head gate"@en-us . . . . "0.0247685"^^ . . "sluicegate"^^ . . . "0.116141"^^ . . "sluicegate"@en-us . "0.14381"^^ . . . . . "103356809"@en-us . . "0.218457"^^ . . . "0"^^ . . . "104082237"@en-us . "water gate"@en-us . . . "floodgate"@en-us . . . . . . "regulator consisting of a valve or gate that controls the rate of water flow through a sluice"@en-us . . "103596238"@en-us . . . "04244615-n"^^ . .