A Salter cannula is very soft and comfortable. And micro cannulas are used for patients with very small noses. The use of an oxygen mask is often considered a viable option, sometimes patients consider a oxygen mask less intrusive or irritating but the use of an oxygen mask needs to be understood.
1 Chao, a Spanish language parting phrase for bye or goodbye. 2  Chao, Ähao, cÃ¢o, jao lord. 3  as used in Thai royal and noble titles. 4  in Chao Phraya River. 5  as equivalent to Tusi, chieftain.  not to be confused with Vietnamese Chau Tai.
The name Ch'orti' means 'language of the corn farmers' which references to the traditional agricultural activity of the Ch'orti' families. Ch'orti' language is one of the three modern descendants of Châolan language which is a sub-group of Mayan languages. Other two modern descendants are Châontal and Châol. These three descendants are still spoken by people. Châortiâ language and Châolti language are two sub-branches belong to the Eastern Châolan.