Translation of abused in German

My mom and dad used to speak English when they wanted to say something I shouldn't understand. In this way I have learned English. I did not tell them till late, but I did understand every word they said.
Could you please read the following offers in a critical manner and confirm it before I will send it? I have also mentioned the warranty and the software in the offer, because it was requested by the customer.
Is that your voice in the background of the video? Thanks to your machine which stood outside, the tree did not fall on the man... This is just unbelievable! And you filmed it all?