https://youtu.be/y3XW8Dl8kvc
https://www.youtube.com/watch?time_continue=1&v=inctriUGh7Y
The rapid growth of blue-green algae (some of them are poisonous) in Lake Sanaa this year, the extremely dangerous flowering...
https://youtu.be/IeBib-fgZoM
On July 14 at 12:00 in the press hall of "Noyan Tapan" news agency the meeting of the members of...
https://youtu.be/D2KL_FA7TcU Our scientists left in Armenia can solve global problems. This is the conviction of Leon Toros, an engineer, member...
Large cranes are used in various loading and unloading operations, especially when carrying out large-scale construction work. All currently produced...
