I did start work.go through an absurd situation.blocked the meat trash entrance.So I did put in, however I did saw the thing.the thing is knife. So I told anybody.the coworker told me that's mine.but after didn't understand...So I told Liang. he nervous.I don't know solution that...and korean manager asked me. level 4 knife position can work So you want? I did think.originally korean worker did ..