11.   Like most Nepalese Sherpas, Chhiri climbs without using bottled oxygen even though air pressure is low, making breathing strenuous.

12.   Police Chief Sgt. Darsa, who like Hutagalung uses one name, said breathing bottled oxygen after hours of directing traffic boosts his stamina.

13.   The side will be playing at altitude without the benefit of any time to acclimatize and will rely on supplies of bottled oxygen on the sidelines.

14.   They made it to the top without using bottled oxygen, it said.

15.   Two Asian teams on separate Nepalese Himalayan peaks succeeded in getting members to the top without the use of bottled oxygen, the Nepalese Tourism Ministry said Wednesday.