The paper deals with some of the common problems that adult educators face when teaching adult language learners, in particular learners who have considerable educational and life experience but still seem to be stuck at the lower levels of elementary and pre-intermediate due to their low self-esteem, high level of anxiety, and fear of making mistakes. Adult learners face difficulties when listening to the target language. The types and extent of difficulties have been conducted, and listening comprehension research has been conducted on the problems faced by adult language learners. The results of this body of research show that a number of factors may negatively influence English language acquisition; the latter have undergone a detailed review in the paper
Abstract. This paper presents new approaches to solving problems of forecasting the life of heating surface of boilers, based on an analysis of internal structural stresses of the first and second kind that could affect the intragranular and intergranular strength and reliability of the pipeline in continuous operation by making it work without damage by preventing the disclosure of zone cracks.
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