processing by chemical processes
preferred label: فرایند شیمیایی عمل‌آوری @fa
type: Concept
narrower: sulfurization

sulfur
preferred label: گوگرد @fa
type: Concept
related: sulfurization

sulfurization
alternative label: sulphurization
related: sulfur
broader: processing by chemical processes
preferred label: گوگردی کردن @fa
type: Concept