In summary, the findings of this area of the study showed that THAI flight attendants
encounter serious problems in pronouncing specific consonants correctly. Reasons for this are
found in Chenaksara (2005) and Kamkien (2010), both of them asserted that the nature of
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English as a second language for Thai nationals was the main cause of speaking problems. In
addition, Permtanjit’s study (2003) showed that the pronunciation of Thai flight attendants was
major area of speaking problem.