The materials cost more, they're extremely labor intensive relative to an off-the-rack model, and a large part of the value is produced by artificial scarcity, which is not true of, say, non-recreational pharmaceuticals or software.    From Wordnik.com.  [Is Copyright Necessary?, Arnold Kling | EconLog | Library of Economics and Liberty] Reference

Permits for non-recreational activities allowed in terms of fisheries legislation.    From Wordnik.com.  [ANC Daily News Briefing] Reference

All of the patients were injured when using paintballs in a "non-recreational, uncontrolled setting," according to Dr. Alliman.    From Wordnik.com.  [Health News from Medical News Today] Reference

If you are a commercial fisherman or other small non-recreational boat operator, some research may be needed in finding a way to get the MMSI assigned.    From Wordnik.com.  [Citizendium, the Citizens' Compendium - Recent changes [en]] Reference

William Randolph Hearst mounted his lavish campaigns against hemp production because its commercial non-recreational uses threatened his petroleum-based patents.    From Wordnik.com.  [WN.com - Articles related to Guv's climate panel is mostly cloudy] Reference

The fee is supposed to be used only for non-recreational levee maintenance costs, and Brozena said the money has been used for insurance, utilities and the salaries of levee workers.    From Wordnik.com.  [Times Leader News]

NHTSA also found that, "The bicycle was a preferred mode of transportation even when other modes of transportation were available." 86\% of respondents said they could have taken other modes for their non-recreational trips, but chose to bike instead.    From Wordnik.com.  [BikePortland.org » Front Page] Reference

My gut sense is that when leave is spent, it’s generally on non-recreational activities, or at best upon stretching a weekend by a day.    From Wordnik.com.  [Matthew Yglesias » Vacation] Reference

He was watching non-recreational explosions.    From Wordnik.com.  [Chris Weigant: Friday Talking Points [84] -- The Rockets' Red Glare, The Bombs Bursting In Air] Reference

(A non-recreational, but controlled substance).    From Wordnik.com.  [Navegando La Selva Farmace�tica] Reference