Maintenance
preferred label: نگهداری (ساختمان و تجهیزات) @fa
type: Concept
has narrower: Lubrication
narrower: Lubrication

Lubrication
alternative label: Greasing equipment
alternative label: ابزار گریسکاری @fa
broader: Maintenance
preferred label: روان‌سازی @fa
type: Concept