About the Authors

R.M. Dharmadasa

Industrial Technology Institute, Bauddhaloka Mawatha, Colombo, Sri Lanka

P.L. Hettiarachchi

Faculty of Applied Sciences, Rajarata University Mihinthale, Anuradhapura, Sri Lanka

GAS Premakumara

Industrial Technology Institute, Bauddhaloka Mawatha, Colombo, Sri Lanka

Corresponding Author

Email: dharma@iti.lk, dharmadasarm@gmail.com