PREVIEW
... r students working in such high temperatures saw a significant drop in efficiency, pushing one or two bags at a time while their heavy breathing could be heard, Sitting down to rest after just one trip, Just after ten in the morning, some couldn't take it and left after earning just a few dollars.
It wasn't that they didn't want to make money, but if they pushed themselves too hard, they might collapse, and the money earned wouldn't even cover their medical and nutritional expenses.
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