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Happiness is often used as a term of subjective well-being in psychology (Lyubomirsky et al. 2005a; Sagiv et al. 2004; Sheldon and Lyubomirsky 2004). If thought of in another way, happiness is an emotion combined with other positive emotions, resulting in subjective well-being when the positive emotions of a person are much more than his negative emotions, and his life satisfaction is high (Diener 2000). It is widely believed that happiness has an important and essential role in the well-being and motivation of school children (Datu et al. 2017; Frey and Stutzer 2002; Moos et al. 2005; Oreopoulos 2007; Soleimani and Tebyanian 2011). School children often face multiple challenges that may lead to negative effects and problem behaviors (Weissberg et al. 2003). The lack of happiness and joyfulness has a significant influence on students' personality growth and might affect their intelligence, thinking skills, creativity, and educational achievements (Al-Yasin 2001). Data regarding the happiness of school children should be analyzed and effectively used to meet the challenges. The lack of happiness in schools is a major problem of many education systems, which is rarely considered in a careful manner (Guilherme and de Freitas 2017; Salavera et al. 2017). Attention to happiness should be stressed as early in childhood as possible but definitely no later than adolescence, given the importance of the cognitive, emotional,

This study aims to review the concept of constructability and evaluate the level of implementation of constructability practices in the construction industry in Muscat Governorate. One hundred and ninety questionnaires were distributed, and 85 complete responses were received, including 10 from owners (12%), 64 from consultants (75%) and 11 from the contractors (13%). The results showed that owners, consultants, and contractors recognize, support, and practice constructability efforts. 45% of the respondents said that constructability efforts typically begin in preconstruction planning, which shows a positive awareness that constructability efforts must start at the earliest stage of a project's life cycle. In addition, 60% of the respondents indicated that they performed constructability by following a constructability procedure during the design stage. All the respondents agreed that constructability implementation obstacles continued to exist in construction projects in Muscat and the cost and time associated with the implementation of constructability review practices are the most dominant obstacles. Although constructability has been recognized in Muscat's construction industry, the level of constructability awareness and improvement in cost and time estimation and quality requirements are developing.

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This research is based on an explanation of Sheikh efforts in refuting some of the suspicions directed against the, whether in the text or in the chain of transmission. That is because the Sheikh has a number of books and articles that he has devoted to this purpose, and his methods of response varied, sometimes he replies with the old proverb if there is any, and sometimes with the sayings of scholars and their guidance, and sometimes with rational arguments, and sometimes by relying on context and language, and all this is after clarifying the face of the suspicion, clarifying the person who said it, and clarifying The evidence they relied on, and the number of similarities covered by the research reached ten, five in the isnad and five in the text.