Statements (18)
Predicate | Object |
---|---|
gptkbp:instanceOf |
Canal Lock
|
gptkbp:component |
waterway infrastructure
|
gptkbp:enables |
navigation past water level changes
|
gptkbp:firstAppearance |
gptkb:ancient_China
|
gptkbp:foundIn |
canals
rivers |
gptkbp:hasComponent |
gates
sluices lock chamber |
https://www.w3.org/2000/01/rdf-schema#label |
Navigation Lock
|
gptkbp:notableExample |
gptkb:Panama_Canal_lock
gptkb:Thames_River_lock Erie Canal lock |
gptkbp:operatedBy |
lock keeper
|
gptkbp:requires |
gptkb:water_supply
|
gptkbp:usedFor |
raising and lowering boats
|
gptkbp:bfsParent |
gptkb:Old_River_Control_Structure
|
gptkbp:bfsLayer |
7
|