<human>: How would someone go about accomplishing this goal?
How to make sure the ends of cut PVC pipe are smooth.

OPTIONS:
- Both edges are sanded to make sure they are flat and smooth using a sandpaper.
- Both edges are sanded to make sure they are flat and smooth using a dry sponge.
<bot>: Both edges are sanded to make sure they are flat and smooth using a sandpaper.