BALL DRILLINGS
Question:	I'm looking for something to read , in layman's terms, about pin placements, mas bias, cg, top and side weight and ball drilling's , in general and what to use when being confronted by a particular lane condition (asymmetrical vs. symmetrical. the next time I buy a ball I want to armed with some info about layouts. Is there anything that you can recommend to read?
Answer:	Try going to all of the ball manufacturers sites many of them have sections in them that explain drilling's and terms. Also Google glossary of bowling terms some of these will be generic but in there you may find some with explanations you are looking for.