Statements (18)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb: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 |
| gptkbp:notableExample |
gptkb:Erie_Canal_lock
gptkb:Panama_Canal_lock gptkb:Thames_River_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
|
| https://www.w3.org/2000/01/rdf-schema#label |
Navigation Lock
|