We'll incorrect about the length I can say that with my hand on my heart. It happened. And as for them staying we'll yes some may but some may not and some have been diened to be set up. As for hearing them we'll that's up to the person hearing it. I've not said any thing about the medical effects on people and that's clearly a problem and although some try to silence that it's is a problem. Yep some people get compensation for having them on there properties the naubour doesn't in most cases and yet they cop it in noise devalues in property prices etc etc. they divide and concur