Example sentences of "are [verb] for long " in BNC.

  Next page
No Sentence
1 Another problem is that if the remedies are given for long periods , as they often are , the patient may start to prove the remedy , developing a new set of symptoms .
2 Aero-engines are designed for long life , which is adversely affected by harsh throttle movements , rapid heating and rapid cooling .
3 In humid forest ( K conditions ) by contrast , plumage colour does not change seasonally , monogamy is the rule , and colonies are occupied for long breeding seasons with individual pairs breeding in successive relays .
4 In towns and cities which are occupied for long periods of time , there is a continuous process of old buildings being demolished and levelled for the construction of new ones , which in turn become old and are demolished .
5 For long hauls the rivers still remained more important than roads in NEP , despite the fact that many of them flow to the Arctic and are frozen for long periods .
6 In this research , palynology was dominant for many years but subsequently enormous potential has been offered by research developed by F. Oldfield on mineral magnetic properties which are valuable because many magnetic properties are environmentally diagnostic , are preserved for long periods in many situations , and have parameters which are easy to measure .
7 They have an average life of 5,000 hours and are , therefore , much more economical to use in places where high levels of light are needed for long hours at a time .
8 Among Max 's other hobbies are going for long walks , travelling in the car and sitting on the fax machine , which always gives him a surprise when it starts working .
9 The inherent resistance of single-ply materials to water , oxidation and ultra-violet radiation means that their optimum physical characteristics are maintained for long periods , accommodating both expected and unexpected movement and loads .
10 The rail can be cut with a hacksaw to fit exactly in the space available , and matching end brackets are simply screwed to the side wall or panel , or suspended from the frame ( additional hanging supports are required for long rails ) .
  Next page