摘要
Duringthewinterof1986,IwasworkinginconstructionnearOakland,California.Itisnotunusualforconstructionworkers＇handstobecomeverypainfulduringthewinterseasonfromworkingwithconcrete[水泥],wetlumber[木材],mud,etc.Myhandswerecrackingopenandbleeding.Stoppingworkbecauseofhurtinghandsissimplynotanoptionintheconstructionindustry.Youjustgrit[咬紧]yourteeth,keepworking,andfinishthejob.
出版日期
2016年03月13日（中国期刊网平台首次上网日期，不代表论文的发表时间）
