@emmadavies7434

You've just made my life 100 × easier very useful info. Chimneys can be very complex however after watching your video I will now use this equation, its simple and easy thanks guys! 😁

@efy5aru

i love these videos. thank you so much for making the effort to make them.

@suhaibkhan7356

Well explained alhumdullilah very much clear ,great work with less time  ,may allah bless you with hidayat

@engr810

Thanks for posting