51.   The camcorder winds the tape back or forward at high speed.

52.   ...giant submarines able to travel at high speeds underwater.

53.   The British government is expected to reject the idea of state subsidy for a new high speed railway.

54.   ...a high speed bomber with twin engines.

55.   ...a ship capable of high speed and rapid manoeuvre.

56.   The machine was operating at high speed.

57.   The machine can operate at high speeds.

58.   At high speeds, falling cats have time to relax.

59.   Mafouz shuffled up to the bowling crease and started to wind his right arm backwards at high speed.

60.   Let us return to the digital multimedia problem of massive information stores and the handling a very high speed of information retrieval.