BS EN 779:2012

Filtration - A process where solids are seperated from liquids through a *filtration* process

Dust - A general term used for micro particles in the atmosphere

Quality - An object that has quality is superior in function and finish than a less quality object.

Equipment - A product or good that is tactile.

Ventilation - Giving fresh air to a room on someone's lungs.

Performance - When someone is presenting a form of entertainment, also how well someone is doing within a role.

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