About: mechanical difficulty

Premodifier: mechanical
Head noun: difficulty

Same concepts

Broader concepts

label	provenance	confidence
factor	isap:254157537	0.656946
event	isap:475770300	0.466987

Narrower concepts

label	provenance	confidence
stuck pipe	isap:190070624	0.740033
crash	isap:258646436	0.306780
pilot	isap:258314309	0.262910