Ten advantages of photography

Advantages and disadvantages of photography:

Advantages: (1) clear image; (2) Thick parts can be inspected.

(3) it can be preserved permanently; (4) It is convenient for re-inspection.

Disadvantages: (1) requires multi-position photography; (2) Functional observation is not direct.

(3) complicated procedures (4) high cost.

Advantages and disadvantages of video:

Advantages: more intuitive and vivid, and the technical content is not high at the bottom of the cost.

Disadvantages: you can't get information anytime and anywhere, the pixels are low, and the photo presentation effect is not clear.