Statements (18)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:mobile_devices
|
| gptkbp:design |
tall and pointed
|
| gptkbp:first_introduced |
gptkb:18th_century
|
| gptkbp:function |
protect buildings from lightning strikes
|
| gptkbp:grounding |
must be grounded
|
| https://www.w3.org/2000/01/rdf-schema#label |
Lightning rod
|
| gptkbp:installation |
on rooftops
|
| gptkbp:invention |
gptkb:Benjamin_Franklin
|
| gptkbp:is_effective_against |
reduces risk of fire
|
| gptkbp:maintenance |
requires regular inspection
|
| gptkbp:material |
gptkb:metal
|
| gptkbp:related_concept |
gptkb:Hurricane
gptkb:safety_equipment static electricity surge protection electrical discharge |
| gptkbp:bfsParent |
gptkb:Benjamin_Franklin
|
| gptkbp:bfsLayer |
3
|