Your organisation and scientists like u christian are angels - u give so much useful information, every country must adapt these simple and advanced technologies to make their country better and reduce impact on environment.
@jabulanisello3712
5 жыл бұрын
Great video !
@noelagritv
2 жыл бұрын
The best videos
@keobunly1517
2 жыл бұрын
great video
@myfarm3128
2 жыл бұрын
Goodnight Can we get a pdf for all operation to start like this projects , please?
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