|
id
INTEGER
|
9516 |
|
iadc_material_id
INTEGER
|
1338 → iadc_discovered_materials |
|
spec_type
VARCHAR
|
specification |
|
key
VARCHAR
|
spec_4 |
|
value
TEXT
|
5 rpm continuous / 15 rpm intermittent |
|
key_normalized
VARCHAR
|
spec_4 |
|
value_normalized
VARCHAR
|
5 rpm continuous / 15 rpm intermittent |
|
value_numeric
DOUBLE_PRECISION
|
15.0 |
|
unit
VARCHAR
|
rpm |
|
created_at
TIMESTAMP
|
2026-04-30T11:28:53.472914 |
|
source_page
INTEGER
|
null |
|
source_context
TEXT
|
5 rpm continuous / 15 rpm intermittent |