And then there's glass and hard and soft plastics, and paper, and card and tin foil.
The second was a tension between science and the humanities, or between hard and soft subjects.
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Economists Richard Murnane and Frank Levy argue that the new basics include both hard and soft skills.
The country bans possession and consumption of both hard and soft drugs, except for limited medical purposes.
The pleated skirt was made from panels of leather and lace, treading the line between hard and soft.
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The current act fails to distinguish sufficiently between hard and soft drugs.
In a sudden about-turn, Mexico's president, Vicente Fox, refused to promulgate a bill that would have legalised the possession of small quantities of drugs, both hard and soft.
This may help to explain the success of Silicon Valley, one of the last workplaces in America where hard and soft drinks still jostle for space in the company fridge.
After all, the landscape has changed dramatically over the last decade, and the chair role is a legitimate job, requiring both hard and soft skills, as well as increasing amounts of time.
These institutions are engaging with external partners to identify the hard and soft skills needed by graduates to succeed in entrepreneurial endeavors, and finding ways to integrate that skill development into the academic curriculum.
Advertising history is filled with alternating bursts of hard and soft selling over the years, points out industry author James Twitchell, with the current trend coming on the heels of several years of softer messages focused on entertainment.
The advice I would give to women is the same I would give to men, and that is to think very carefully about what hard and soft skills you offer to a prospective employer and be able to articulate those skills.
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Amazon is an on-line retailer selling hard copy and soft copy content such as e-books, movies, CDs and all kinds of merchandise.
But, yes, there are dreamers here, with hard heads and soft hearts.
As Jerome Littlefield, an aspiring doctor whose debilitating sympathetic hypochondria reduces him to menial labor at a sanatorium, Lewis is both a flustered klutz who tries too hard and a soft-spoken, painfully sincere Everymensch.
They excel in both the hard stuff and the soft stuff of business.
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Everybody is positioning themselves, taking hard lines here and soft line there.
Their new rear wing and new floor should make the car go quicker, but they do not have the track time at a race weekend to go through the thousands of combinations of ride heights and hard or soft suspension settings, versus high or low wing levels.
China is now disrupting global commodities markets, influencing the price of gold, and affecting pricing for many soft and hard goods producers around the world.
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Ian Clark, the assistant restaurant manager, offers anywhere between 25 and 35 cheeses divided into four categories (hard, blue, soft and goat) regardless of their nationality.
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Why is the king (Ian McShane, all dressed in gold) so hard and then so inexplicably soft?
Biolase's Waterlase system uses a patented combination of water and lasers to precisely cut hard tissues (bone and teeth) and soft tissue (gums) with minimal damage to surrounding areas.
In between soft and hard, of course, lies a range of landings of various degrees of bumpiness.
The Reef could win on soft and hard ground, which Dancing Brave, Brigadier Gerard or Nijinsky did not prove.
Pirelli said it had taken a conservative approach to tyre choices this weekend by bringing the soft and hard compounds.
He says discussions with the PC supply chain suggest Q1 production will he below seasonal patterns, due to hard-drive shortages and generally soft demand.
As a "combatant command plus, " one that mixes soft and hard power and thus military and civilian personnel, AFRICOM will be a hybrid giant staffed by an interagency personnel kaleidoscope.
The hard power over local services and the soft power to do deals, bang heads together and formulate a vision for the future could drive real change and economic growth outside London, he said.
Coral reef: complex tropical marine ecosystem dominated by soft and stony (hard) corals, anemones and sea fans.
His expectation is that Mr Clinton, weakened by scandal, will let things be, while he himself continues to mollify his hard right with new settlements and pacify his soft centre with professions of loyalty to Oslo.
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