If pieces of the wax break off and fall into the canal, surgery is needed to remove it. Yes it can.

Create incisions in the wax. Then heat it up slightly so the wax becomes soft enough that it can be pull off in pieces. But, be sure not to use too much heat so as not to catch the rug on fire.

Larger and more lightweight bronze pieces

Larger and more lightweight bronze pieces

Yes you can, but if they are sliced put a piece of wax paper between the slices. Once thawed the wax paper helps you to separate the pieces without tearing the meat.