41.   Workers wear elaborate safety equipment.

42.   And farm workers wear colored overalls to designate their level of biosecurity clearance.

43.   Flags flew at half-staff at all public buildings on Thursday and rail workers wore black ribbons.

44.   He said devices worn by workers detected the presence of methane gas, and the explosion occurred after evacuation began.

45.   Health workers wore latex gloves provided by the military, but disposable surgical masks had run out.

46.   In South Korea, postal workers wore gas masks and gloves to handle international letters.

47.   It recommended such workers wear surgical masks as a short-term solution.

48.   Meanwhile, Minister of Health Chua Jui Meng urged people in especially hazy areas to avoid outdoor activities, and said motorcyclists and construction workers should wear masks.

49.   Men have to wear beards and government workers must also wear a turban.