11.   The general rule of thumb is to leave such limbs until the tree has gained some height, then the lowest branches are removed.

12.   Twice, Price gained enough height only to land on top of the bar.

13.   It had visible difficulties gaining height.

14.   Television replay indicated the ball was clearly destined to miss the stumps as it gained height, rapping the batsman on his left thigh.

15.   Authorities said the plane flew too close to a burning hill and failed to gain height before crashing.

16.   Witnesses said that the plane gained a little height before falling onto the runway again, ploughing across the runway limits and into the market.

17.   Witnesses said it did not gain height after take-off.

18.   Mark Timmermans, who works at Queenstown airport, said the plane seemed to be struggling to gain height before it suddenly went into a dive.