The material which is of natural origin, biodegradable and antibacterial is able to filter fine dust better than that of current masks.
03/08/2021
The academic event organized by the Faculty of Accounting with the participation of many experts from the UK, Malaysia, Taiwan, India...
01/08/2021
This invention gives the ability to decompose organic waste of earthworms, creating a small closed organic waste treatment process, ...
10/03/2021