Clapperboard and Photographic equipment

Clapperboard noun - Photographic equipment used to synchronize sound and motion picture; boards held in front of a movie camera are banged together.

Photographic equipment and clapperboard are semantically related. In some cases you can use "Photographic equipment" instead a noun "Clapperboard".

Photographic equipment noun - Equipment used by a photographer.

Clapperboard and photographic equipment are semantically related. Sometimes you can replace term "Clapperboard" with "Photographic equipment", this terms are similar.