Week 4 Assignment

https://igkt.net/sm/index.php?PHPSESSID=3452301972c653690d9d7d25a94b45a2&board=1.0
https://metaldetectingforum.com/forumdisplay.php?s=2562947f5e94399c26e6dd59978f55df&f=9
https://www.modeltrainforum.com/
https://www.tapatalk.com/groups/dozensonline/dozenal-f14/?sid=b12751af9a8076dd6cb8f0b5d171bd39
http://www.bigpumpkins.com/msgboard/ViewBoard.asp?b=40

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