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After operation of ground hydraulic constructions, it is necessary to implement monitoring during several years; which includes collecting data concerning filtration flow, deposition, strength, sliding and stability of dams and other hydraulic constructions. The technical state study conclusions are drawn upon the collected data analyses. The aim of the work is to make a technical state study of Khachen reservoir hydro system to find out the further exploitation opportunities separated nodes, to process engineering measures program, by the realization of which there will be established conditions for their further safe operation. For the above mentioned purpose there have been implemented the followings: technical data analyses of the dam and it’s separate nodes, technical-economic analyses of the dam, analyses of storage alluvium, net volume and water balance, physical-mechanical properties lab studies of dam ground. Homogeneity estimation of dam by geophysical methods, discovering of filtration centralized discharge across dam and lateral prism, making conclusions, separate nodes description located in the dam, technical state analyses and making conclusions, strength and stability analyses of the dam under static and seismic loading conditions, taking into consideration the ground laboratory experiments and dam geodetic measurements.

The purpose of this article is to illustrate possible ways of developing critical thinking in ESL classes. We try to state that one step of doing this is to change teacher’s attitude towards students. Critical thinking means making reasoned judgments. Basically, it is using criteria to judge the quality of something. In essence, critical thinking is a disciplined manner of thought that a person uses to assess the validity of something: a statement, news story, argument, research, etc.

Contemporary pedagogical approaches and rapid development of language teaching methodology provide the specialists with new opportunities to review teaching methods, to understand the aims of teaching in a new way and to organize the language teaching process more effectively. Active discussions and debates promote language teaching process, engage the learners in group work, provide an opportunity to express their opinions freely and to find solutions independently.

The article attaches importance to the establishment and development of critical thinking in educational courses in the current age. It is mentioned that the traditional educational tactics which are based on the passive learner, the theory and the transfer of information, are no longer efficient. It is necessary to develop the critical attitude of the learner towards various issues placing an emphasis on realistic, multi-sided and comprehensive thinking and analysis.