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 cardinal numbers are very similar in Spanish and Portuguese, but there are differences of usage in numbers one and two. Spanish has different words for the masculine singular indefinite article ('a, an') and the numeral 'one', thus un capÃ­tulo 'a chapter', but capÃ­tulo uno 'chapter one'.