The work of construction necessitates the expenditure of an appreciable amount of energy and the creation of waste products that must be removed, lest they accumulate and interfere with the growing structure.

Ilyse Fink, a spokeswoman for the Buildings Department, said that the work on the building did not necessitate any unusual safety requirements.

My new work will eventually necessitate a trip to the past.

When my husband's work necessitated the move to Georgia, I was unhappy because I recalled the segregation I had witnessed on a trip South some years earlier.

During the extensive tour of Britain which the work necessitated, Hearne studied nature with care, investing his topographical drawings with effects of light and atmosphere seldom attempted by previous draughtsmen in watercolour.

This work necessitated about 4000 miles of travel, as far north as Montreal and Minneapolis, and as far south as Baltimore and Nashville.

Streb's work is extremely demanding and necessitates endurance, dexterity, great physical strength and the ability to be daring.

Friedrich Schwarzkopf's work as a teacher necessitated that the family move several times.

There had been many occasions when Barney's work had necessitated his waiting outside a block of flats or offices for hours at a stretch; so the undertaking was not new to him and he thought himself lucky that the night was fine.

In 1315-17 he designed a wall to be built around the royal manor of Eltham, Kent, and had to act as surety for the contractors, whose faulty work necessitated its rebuilding.