Modifiers matching tray:

• flat,
• difficult,
• shallow,
• plastic,
• special,
• wooden,
• sliding,
• larger,

Simple categories matching sliding:

• system,
• control,
• tray,
• part,
• board,
• component,
• connection,
• portion,
• equipment,
• surface,
• closure,
• seat,
• door,
• device,
• sport,
• contact,
• vehicle,
• means,
• panel,
• mechanism,