Jorge Cañada Jul 6, 2018 11:08 ![]() | Dear author, Thank you for submitting your proposal to this contest. I would like to remind you that you have less than ten days left to work on your proposal before the finalist selection phase begins. I recommend that you try to fill all the fields in the proposal. Good luck, Jorge |
Ted Wilson May 9, 2019 03:45 ![]() | Municipal waste and industrial waste is most serious problem nowadays. |