<div dir="ltr"><div class="gmail_extra" style>As I have slight phobia of etching and strong acids in general, I think I'll give this a try :)<br></div><div class="gmail_extra" style><br></div><div class="gmail_extra" style>
@adrian: where do I get the right knife? Where would one get copper sheets?</div><div class="gmail_extra" style><br></div><div class="gmail_extra" style>Esad</div></div>