11. --Park-district classes are an economical way for children to sample martial arts and see how they like them.
12. Perhaps the most economical way to buy a time share is on the so-called resale market, from owners trying to unload them.
13. Some small groups use a listing in the book as an economical way to tell parents what they do, while demonstrating that they are accredited.
14. The big new ships are simply a more economical way to move that river of cargo.
15. The industry responds that nuclear power is safe and among the most economical ways to meet future electricity needs.
16. Video interviewing is an economical way to find employees, Nowicki said.
17. Wireless providers are looking for more economical ways to add to their networks.
18. Buddhist temples should strive to find economical ways of performing religious rites as part of the effort to preserve the age-old tradition and propagate Buddhism.