I recently got a set of 20 breakout PCBs. I didn't realize that they came in one piece- that they had not been cut apart yet. However, there are grooves between each board that are cut into the material. The grooves extend about 1/3 of the thickness through on each side, leaving about 1/3 left of circuit board in the middle.
How do I break these circuit boards apart? Is a forceful slice from a box cutter appropriate? Can I snap them apart with my bare hands? Or should I use a saw or a bandsaw to cut them apart?