Can the security instrument see what's in the bag?

The X-ray security device can see the contents of the passenger's bag, and the pictures presented are as follows for your reference:

The display screen shows blue tone, which can be judged as metal material. Such as daggers and knives.

The display screen shows a green tone, which can be judged as explosives. Such as firecrackers, firecrackers, etc.

The display screen shows orange tone, which can be judged as a liquid item. Such as mineral water, lighters and related organics.