Maintenance of equipment is a work of strength, and maintenance workers must first stand firm. When the environment is limited, the temporary platform should be built, and the protective measures should be in place. It must not be "simple" to make dangerous operations.

In a field photo, a maintenance worker is repairing the equipment. The left foot of the worker is supported on the edge of a narrow platform, the right foot is crossed with a high leg, and the sole of the foot is almost vertically supported on a movable unstable support. To a large extent, it seems that the bolt head on the inverted U-shaped component support has become the key point of stress. Judging
from the situation on the spot, it is not difficult to set up a temporary operation platform, but it is a "fluke" in power. Unsafe operation is very likely to cause falling accidents.
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