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Electrical Technology Daily Question 2018.11.19

2018-11-19View Original

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This post was last edited by sdscj0122 on 2018-11-21 09:54. Examination Paper on Power Safety Procedures (Substation Specialization). Pits, holes, openings, or trenches in the work areas inside and outside production facilities must be covered with sturdy covers that are at the same level as the ground. When it is necessary to remove the cover plate during maintenance work, a ( ) must be installed. Any temporarily made holes or openings must be restored to their original state after the construction is completed. A: Visible sign B: Warning sign C: Safety measure D: Temporary fence Answer: D

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