Answered

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6. By definition, what two types of protective systems prevent cave-ins?

A. Sloping systems
B. Shoring systems
C. Shield systems
D. Both (A) and (B) are correct

Sagot :

GinnyAnswer

Final answer:

Sloping systems and shoring systems are two protective systems that prevent cave-ins.


Explanation:

Protective systems that prevent cave-ins include sloping systems and shoring systems. Sloping systems involve cutting back the trench wall at an angle inclined away from the excavation. Shoring systems use supports such as hydraulic jacks or vertical timbers to prevent cave-ins.


Learn more about Protective systems against cave-ins here:

https://brainly.com/question/7385425


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