<DIV> Hi Bros,</DIV>
<DIV>My question is that how can I measure the angle with Zero degree?
(see the picture). </DIV>
<DIV>Thanks in advanced</DIV>
<DIV>Regards
</DIV>
<DIV></DIV>
<DIV>View attachment 3959</DIV>
<DIV>My question is that how can I measure the angle with Zero degree?

<DIV>Thanks in advanced</DIV>
<DIV>Regards

<DIV></DIV>
<DIV>View attachment 3959</DIV>