1.Check commercial displays regularly.Electronical equipments will encounter electro-static discharge besides commercial displays.

The dust will stick to the surface of commercial displays.You would better clean and check commercial displays from time to time to 

ensure normal operation. 

2.Clean the surface of commercial displays with soft cloth such as absorbent cotton instead of rough paper to avoid scratches.Once 

dirt found on commercial displays surface,you can use detergent instead of chemical solution to wipe them off.

3.Create proper environment for commercial displays.The longevity of commercial displays can be affected by temperature,sunshine 

and moisture.Strong light will not only affect visual performance  but also do harm to electronical components.The working 

temperature should not too high or too low include extreme environments.