So it's not a constrictive or restrictive way of working - quite the opposite.

BBC: Transcript: Daniel Day-Lewis on The Andrew Marr Show

Note that these additional grades are not mere sub-sects of what USDA Prime would be, but have more constrictive requirements.

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Worse still, some entire industries remain closed-off to this type of cross-sector innovation and this, partnered with constrictive supply chains, is stifling technological progress.

BBC: Business