понедельник, 5 марта 2018 г.

Knocky - abnornal combustion in the piston engine https://t.co/AckRu8E614 via @YouTube


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Knocky - abnornal combustion in the piston engine

Water2REturn - REcovery & REcycling of nutrients TURNing wasteWATER into... https://t.co/DUa29IyTfJ via @YouTube


from Twitter https://twitter.com/NKBconsulting

Water2REturn - REcovery & REcycling of nutrients TURNing wasteWATER into...