A spreader beam moves in several directions allowing accurate positioning of the cargo.

Widely separated witnesses and accurate positioning (a luxury with which UFO researchers are seldom, if ever, blessed) are needed for this.

As interlaced systems require accurate positioning of scanning lines, it is important to make sure that the horizontal and vertical timebase are in a precise ratio.

In contrast, afterloading involves the accurate positioning of non-radioactive applicators in the treatment site, which are subsequently loaded with the radiation sources.

A motion system generally is computer controlled and can perform fast, reliable, repeatable, and accurate positioning of loads.

Its (adjustable) measurement base of 1/10,000mm allows accurate positioning of elements.

Most stepping motor applications involve accurate positioning of a mechanical load.

This system depends upon the accurate positioning of the aircraft by either a fixed ground radar or on-board navigation equipment.

It was not until a Royal Dutch Airlines flight encountered the storm on September 10 that an accurate positioning of the hurricane could be made.