surface crack
type: Concept
preferred label: ترک سطحی @fa
related: crack detection

crack
type: Concept
narrower: crack detection
preferred label: ترک @fa

crack detection
type: Concept
alternative label: crack inspection
broader: flaw detection
broader: crack
preferred label: آشکارسازی ترک @fa
related: surface crack
scope note: crack inspection

flaw detection
type: Concept
narrower: crack detection
preferred label: آشکارسازی نقص @fa