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[[File:PCB Composition.png|center|PCB Composition]]

[[File:PCB Composition.png|center|PCB Composition]]

<div class="center" style="width: auto; margin-left: auto; margin-right: auto;">Centered text</div>

<div class="center" style="width: auto; margin-left: auto; margin-right: auto;">Figure 1. PCB composition style</div>

<Figure 1. PCB composition style="text-align: center;">

 

[[File:PCB internal routes.png|center|PCB Internal routes|link=Special:FilePath/PCB_internal_routes.png]]

[[File:PCB internal routes.png|center|PCB Internal routes|link=Special:FilePath/PCB_internal_routes.png]]

Figure 2. PCB internal routes  

<div class="center" style="width: auto; margin-left: auto; margin-right: auto;">Figure 2. PCB internal routes </div>

 

Through hole vias are the most common and the cheapest, since it is easiest to drill a hole all the way through a piece of material with layers that have already been sandwiched together.

Through hole vias are the most common and the cheapest, since it is easiest to drill a hole all the way through a piece of material with layers that have already been sandwiched together.