hamed aghayan Change your cover photo Upload Change your cover photoUpload Change your cover photo hamed aghayan PhD candidate of Industrial Management & Electrical Engineer Senior energy manager, Sustainability Consultant and Greentech advisor, Business strategy and executes This user account status is Approved About About Posts Posts Comments Comments Good to know how GAIN manage the TENDERS?! On What do we know about GAIN’s web service marketplace? Very Good article. thanks for sharing. On How to collect and recycle residential waste?