Drill

https://www.wikidata.org/wiki/Q58964

Field Hierarchy

Parent
Engineering 25.6M papers	Materials science 19M papers	Mechanical engineering 5.6M papers	Metallurgy 5M papers
Current
Drill 35.8k papers
Child
Drill pipe 4,573 papers	Drill bit 3,694 papers	Drill string 3,264 papers	Drill hole 2,118 papers
Deep hole drilling 1,675 papers

Trends

Notes

History