1.   At the reception the female attendants carried hand-held masks, while the men wore half face masks.

2.   A few carried masks or strapped them to their arms, after making the dusty, smoky walk to the exchange.

3.   Police were clad in protective footgear and carried masks.

4.   Police, armed with pistols, were clad in protective footgear and carried masks.

5.   Some residents carried surgical masks when they got their antibiotics at hospitals in Alliance and nearby Salem.

6.   The Korea Meteorological Administration advised citizens to carry masks in the streets or avoid outdoor activities.