Farms have used the very same thing in the US for a very long time. https://www.dol.gov/general/topic/training/migrantfarmworkers https://www.dol.gov/general/t

Farms have used the very same thing in the US for a very long time. https://www.dol.gov/general/topic/training/migrantfarmworkers https://www.dol.gov/general/topic/training/migrantfarmworker...