Engineering, 21.07.2021 23:40 ineedhelp2285
Which of the following best reflects a shield system?
a. A narrow excavation made below the surface of the ground.
b. A structure that is able to withstand the forces imposed on it by a cave-
in.
C. A series of horizontal levels or steps between vertical surfaces.
d. A system of structures that are inclined away from an excavation.
Answers: 3
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Which of the following best reflects a shield system?
a. A narrow excavation made below the surface...
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