What are BS 9999 & BS 9991? Well, let us give you a bit of an overview! #BS9999 #BS9991 #FireSafety #Construction #Architecture
Here at Sertus we manufacture smoke ventilation systems. We also like to educate people about smoke ventilation and related fire safety topics. Whether you're a smoke control pro or just someone who stumbled across our channel by accident, hopefully you'll learn something new and help us in our mission to make the world a safer place 😁
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