discs
type: Concept
preferred label: صفحه @fa
related: disc ridgers

disc ridgers
type: Concept
alternative label: ridgers, disc
broader: ridgers
preferred label: ماشین نهرکن بشقابی @fa
related: PAGE
related: discs

ridgers
type: Concept
narrower: disc ridgers
preferred label: ماشین نهرکن @fa

PAGE
type: Concept
preferred label: صفحه @fa
related: disc ridgers