Statements (13)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:mechanical_component
|
| gptkbp:component |
hoisting system
|
| gptkbp:contains |
multiple sheaves
|
| gptkbp:foundIn |
oil and gas drilling
|
| gptkbp:function |
redirects drilling line
|
| gptkbp:locatedIn |
top of derrick
|
| gptkbp:material |
gptkb:steel
|
| gptkbp:used_in |
gptkb:drilling_rig
|
| gptkbp:usedFor |
lifting heavy loads
|
| gptkbp:worksWith |
gptkb:traveling_block
|
| gptkbp:bfsParent |
gptkb:Reunion_Tower
|
| gptkbp:bfsLayer |
5
|
| https://www.w3.org/2000/01/rdf-schema#label |
Crown Block
|