Complex sentence: Dump digging can evolve from metal detecting, privy digging, and even shipwreck diving and other related pursuits, a percentage of diggers become proficient at these accepted fields as well.
Split into simpler sentences: Dump digging can be correlated with metal detecting and privy digging, and sometimes even wreck diving and other related pursuits. A percentage of dump diggers become proficient at these accepted fields as well.