At vocational school, toilets with washrooms, teaching rooms, changing rooms and hairdressing salons have ventilation systems. After testing, these are in very good condition according to age and will be retained. In addition to the existing pre-filter, all systems are equipped with a fine dust filter, and all fire dampers must be replaced and thus replaced.

At vocational school, toilets with washrooms, teaching rooms, changing rooms and hairdressing salons have ventilation systems. After testing, these are in very good condition according to age and will be retained. In addition to the existing pre-filter, all systems are equipped with a fine dust filter, and all fire dampers must be replaced and thus replaced.