To end 2001 year, fire ventilation cut-off dampers were classified in the ITB Fire Test Laboratory on the basis of a fire test in "static conditions". In the smoke and gas extraction pipes, in all situations there is a negative pressure in relation to the protected zone. So a study …
Monthly Archives: September 2014
Fixed firefighting devices, internal hydrants and hydrant valves
Fixed water extinguishing devices are required in high-rise collective residence and public utility buildings – sprinkler or sprinkler systems. Fixed water extinguishing devices are devices that are permanently connected with the facility, containing their own supply of extinguishing agent, equipped …
Removal of stains and damage to the floor covering
Stain removal
Textile fibers today have these properties, that stain removal is effective in almost all cases with simple measures. No special chemicals are needed, which are most often not in the household, and which, moreover, are often harmful. Important …