Show Laser Glossary, Definitions & Explanations This Glossary shall provide general definitions for terms used on this website as well as give some background information on terms and topics used in show laser and entertainment industry.
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Water Shield

What is a Water Shield?

Water shield is another term for hydro shield. It is a projection surfaces made of water for making laser graphics and effects visible. Water shields emerge water semicircular from the bottom upwards. They consist of a special 180° flat nozzle together with a very strong pump system. It is essential to have a permanent water source, therefore the nozzle may be placed in a lake or the like. Water shields are often used for rear projections and are able to disappear within seconds - an advantage over other kinds of screens.