Supply and maintain the lighting or other facilities used in daytime, and be responsible for safety guard.

提供和维修非夜间施工使用的照明或其它设施，并负责安全保卫。

youdao

It can use for travel, lighting, grasslands, camping, agriculture and forestry, mountain villa, island, fishing-boat, frontier guard post, emergency lighting and no electricity area.

旅行、家居照明、草原，牧区，野外作业，农林山庄，海岛渔船，边防峭所，应急照明及无电地区。

youdao

The brain with these regions lighting up most comes from a 73-year-old former guard with dementia and depression who suffered 20 concussions with short losses of consciousness, but one with a 12-hour coma.

FORBES: CTE in Brain Scans of Five Retired NFL Players - Now What?