Did you know you could actually damage your expensive Photovoltaic or solar system just by cleaning it? And not cleaning at all will kill the optimum efficiency? That’s why you want an expert. Especially for large installations. So, without any further ado, let me present:
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Nicely done.
Love the background video’s
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Thank you, yes - I think they gain a visitors attention, but not too much 
Yes indeed Jan, your background videos are really cool.
Gut gemacht 
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Die Videos sind absolute klasse!
Vielleicht kannst Du die Texte noch etwas responsiver machen.
Der Rest: Top, wie immer
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Danke sehr - ja, die Texte passe ich an!