Such deliveries, which are called "beamers", can be incredibly dangerous.
Beamers can severely injure a batsman, especially if the batsman's head is struck.
These are much easier to play or avoid than beamers.
Colloquially, the term beamer was used for anyone responsible for moving beams of yarn.
The machine is watched over by a beamer.
In this case the video and audio observation are transmitted through a (wireless) network and broadcast via a video monitor or video beamer and loudspeakers.
The even rarer intentional beamer provokes strong reaction from batter and crowd alike.
They would like beamers banned.
