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--- a/assignment/assignment2.html
+++ b/assignment/assignment2.html
@@ -572,6 +572,8 @@ Extruded Boss/Base>select surface>draw reactangle by using corner reactangle>giv
the visual effect is also very best. <br>
7. I feel more confirmable in FreeCAD now.</strong> </p>
<br>
+ <p> <strong> Click here to download the original design file: </strong> </p><a href="G:\Fab Assignment\Assignment\assignment\file2.zip" download> Download</a>
+
<p>Go to the <a href="#Introduction">top</a></p>
</section>
</div>
diff --git a/assignment/assignment4.html b/assignment/assignment4.html
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--- a/assignment/assignment4.html
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@@ -91,8 +91,9 @@
<div class="oval"><img src="image/a4_44.png" width="75%"
height="300" class="svg__image"> </div>
<br> <br>
- <p style="justify-content: center"><strong> The file is converted into rml formatt by using the modes.For PCB trace operation
- we use 1/64inch drill bit. The machine bed is cleaned by Acetone chemical.Then the PCB is pasted on bed of machine and started the machining. </strong> </p>
+ <p style="justify-content: center"><strong> The file is converted into rml formatt by using the modes.How the modes are used, it is given in Individual
+ Assignment. For PCB trace operation we are use 1/64inch drill bit. The machine bed is cleaned by Acetone chemical.Then the PCB is pasted on bed of machine and started the machining. <br>
+ After tracing next operation is cutting. The cutting file is selected for this opeartion. Drill bit changes, now 1/32 inch drill bit is used and cuted the PCB</strong> </p>
<html>
<head>
<style>
@@ -140,6 +141,11 @@
</body>
<br>
<br>
+<p style="justify-content: center"><strong> Here the line test is conducted between the 0.001 mil to 0.020 mil. The line widths around .001 mil are bit risky to mill, but the ones nearer to 0.01 mil are quite good and line around 0.020 are good to machining.<br>
+When you are fitting the board with double-side tape to the wooden surface be sure to press it really strongly! Sometimes it’s a good practice to clean the wooden plate from rests of the previous tapes, or even hardly visible glue. Due to uneven pasting, the bubble are form
+to the back of PCB material, it will affect to machining, sometiomes it fails to machining also. Also its also need to check the bed level, its also affect on machining. The bed should be perfectly
+horizontal. So this is our obseravation from Group Assignment</strong> </p> <br>
+ <html>
<h4 id="Individual Assignment" style="border-bottom: 6px solid yellow; background-color: lightgrey" > <strong>Individual Assignment </strong> </h4>
<p style="justify-content: center"><strong>In this assignment, we have to make an in-circuit programmer by milling and stuffing the PCB, test it, then optionally try other PCB processes. So lets discuss, how the
ISP is developed. </strong> </p>
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