work camp

n.

（青少年）劳动夏令营，囚犯劳动营；

volunteer work camp
Group Work Camp as Nondeliberative Process
The Volunteer Work Camp: A Psychological Evaluation. by Henry W. Riecken
Work camp settlement patterns: Landscape-scale comparisons of two mining camps in Southeastern Arizona
Treatment of work camp wastewater using a sequencing batch reactor followed by a sand filter
Safety in the Agricultural Work Camp: Comic Book Development & Evaluation for Latino MSAW Families
The work camp as a resource for the treatment of delinquents—Workshop, 1961: 2. The organization of camps for delinquent boys.
The work camp as a resource for the treatment of delinquents—Workshop, 1961: 5. Work as a therapeutic medium in the treatment of de...
Control or Repression: Contrasting a Prisoner of War Camp and a Work Camp from World War Two
Boss of the road: Early-20th-century consumer selections of work clothing from alabama gates work camp, Owens Valley, California