<https://hot-wire-cutter.com/application/styrofoam-plugs/>
<http://schema.org/description>
"Insultation plugs from EPS foam should fit well into holes, so it's best to machine-cut them using a CNC cutter. This way, we obtain a series of elements with the same shape and size."
<https://hot-wire-cutter.com/application/styrofoam-plugs/>