Abstract The construction industries have been severely affected by the global pandemic Covid 19. purpose of this paper is to identify and categorize challenging factors faced organizations during 19 era explore interrelationship among using Total Interpretive Structural Modelling (TISM) approach. results study depict shortage labour, cautious buyers, material delay, uncertainty demands underut...

This paper reviews motor techniques for reducing the cost of electric vehicles (EVs) and improving their range. In recent years, environmental issues, energy crises greenhouse effect have urged popularization clean EVs. order to achieve this goal, it is necessary overcome technical difficulties in vehicle As a key component an EV, occupies large proportion overall cost, its efficiency directly ...