I-US Occupational Safety and Health Administration yamukele imithetho emisha eyenzelwe ukuvikela abasebenzi ekuthintaneni ne-silica ekristali ephefumulayo (ephefumulayo), njengothuli lomhlabathi olugayiwe ngedayimane. Le mithetho isemthethweni futhi isebenza kahle. Isebenza kusukela mhla zingama-23 kuMandulo 2017.
Lo mthetho udinga ukuthi usebenzise amazinga athile okugeleza komoya phansi kanye nokuhlunga lapho usebenzisa i-floor grinder efakwe ama-vacuum cleaner ezimboni. Futhi ama-vacuum cleaner ethu ochungechunge lwe-TS ahlangabezana nalo mthetho kanye namazinga, anomklamo omuhle kanye nesakhiwo esiqinile, enikeza isiqinisekiso esihle somsebenzi wabasebenzi.
Isikhathi sokuthunyelwe: Juni-04-2018