# Exposure to respirable crystalline silica in building materials #

Audiovisual created to inform and raise awareness of the need to establish adequate working conditions when dust and silica may appear in the workplace that could be breathed.
This audiovisual is structured in different parts. Index:
· What is respirable crystalline silica?
· Why is it dangerous to be exposed to respirable crystalline silica?
· Is it safe to work with products that contain silica?
· What can be done to work safely?
· How should I act?
In the video several institutions of recognized prestige have participated, ranging from the administration, social agents and research entities.