There were some, however, that required much more extensive research, and occasionally I was forced to resort to mere extrapolation and guessing.

Dermal matrix molecules require extensive remodeling to achieve normal dermal structure.

Sometimes these jokes require extensive listening to more fully appreciate their humor.

The upstairs and ground-floor bedrooms and the kitchen require extensive updating.

A superpipe also requires extensive grooming by specialized equipment.

The difference is that a multifamily permit requires more extensive fire protection and accessibility for disabled people.

And some are so simple to use that they would not require extensive thumbing through a voluminous operating manual to learn how to turn the thing on.

However, his presence normally requires extensive policing.

Activities that require extensive jumping, hopping, skipping, bouncing or running.

"Something of that magnitude would require extensive and thorough debate by the Congress were it to ever come about."