Modifiers matching tray:

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

Simple categories matching sliding:

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