What Are Some Common Applications for Powder Coating for CNC Machining?

There are the common applications for powder coating(https://www.jtrmachine.com/powder-coating) for CNC machining:

Automotive:
Engine components (valve covers, intake manifolds)
Brake calipers  
Suspension parts  
Wheels and rims  
Trim pieces

Aerospace:
Aircraft components  
Engine parts
Landing gear  
Industrial Equipment:
Machinery frames and housings
Conveyor systems
Agricultural equipment  
Construction equipment  

Medical Devices:
Surgical instruments  
Hospital equipment frames
Medical carts  

Consumer Electronics:
Computer cases
Speaker enclosures  
Electronics housings

Architectural:
Window frames  
Railings
Metal facades  
Decorative elements  

Sporting Goods:
Bicycle frames
Golf clubs
Fitness equipment