1.   Breathing is not easy, even with air packs.

2.   I found myself a mask and an air pack, and I followed a hose into the building, right to the end.

3.   The six men then aboard the station, however, managed to extinguish the blaze after donning emergency air packs.

4.   The two soldiers donned their blue suits, gloves, boots, heavy air packs and masks.

5.   Two dozen people were hurt, including four firefighters, one of whom collapsed after sharing his air pack with escaping civilians.