CAT submarine hydraulic excavator under the SEA part 2
 

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CAT submarine hydraulic excavator under the SEA part 2

CAT submarine hydraulic excavator under the SEA part 2

Franciso Alves, I'm sorry to tell you more that this excavator is not at 4000 mts of depth nor on stick. 1) the diver who is following its operation is without a diving mask for high depths 2) at no time did I see the dry chamber in the footage 3) in the last minutes of the footage, you can clearly see the water mirror that gives you an idea of the depth and I estimate that it does not exceed 25 mts 4) in 4000 mts of depth the light does not suffer refraction, consequently, it would be impossible to have light.

 

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