Because every side of sky ships are exposed to the air, they are covered with several sails to aid mobility.

The injection of various chemicals, usually as dilute solutions, have been used to aid mobility and the reduction in surface tension.

A serious debate on whether selective education should be re-introduced to aid social mobility.

These positions were set aside not so much to aid social mobility as because these graduates often reflected so well on the university.

While capable of making strands of silk, evidently to aid mobility, the spider is not known to construct webs or nets.

There are tank tracks on his feet to aid mobility.

There have been surveys over a much longer timespan that have shown the uselessness of grammar schools in aiding social mobility generally.

They can aid comfort and mobility and also promote independence.

A further question is raising the qualifications of medical personnel, including help connected with language courses, which should aid mobility.

These vehicles feature a wider entrance and a completely flat floor throughout the coach to aid mobility for all.