There is an increasing need to train and retrain personnel that would be saddled with the capabilities, professional and skill developmental requirement that meets societal needs. In this case, there is need for adequately trained personnel that will bridge the gap between societal needs; industrial needs with classroom instructions and vice versa. Therefore, this study examines the influence of building aspiring teachers' capabilities, professional and skill development as an auspice to quality teaching activities in technical vocational education and training institutions. Samples were selected using a multistage sampling technique. The collected data from 945 aspiring teachers was analysed using empirical analysis with AMOS SPSS v.23. Hayes PROCESS macro was used for mediation analyses. The result of the study indicated that self-efficacy and professional skills with knowledge of instructional delivery and personal capabilities have strong significant linkage. There is also a mediating interaction of attention to relationship on the relationship between constructive teaching and personal capabilities. TVET institutions should ensure continuous professional development by concentrating on the requirements concerning teaching and learning, individual resources and social support for coping with various requirements.