#Buscoupler, #busriser,Difference between Buscoupler and bus duct riser |basic knowledge in Urdu

we will discuss about difference between bus coupler and bus rise where we use bus coupler and where we used bus riser . mostly bus coupler used for connect two different bus connect for temporary purpose while bus riser or bus duct riser is used for extend existing bus . Request all our Subscriber & not Subscriber to see like and share our videos & if you have any idea or you need any other informational videos us to make please drop us a mail at [email protected] https://www.youtube.com/channel/UChSoIZGQDHTfI5lkmuDfUhg?sub_confirmation=1 More Interesting updates like & share my video And Subscribe My Channel on YouTube #basicKnowledge Basicknowledgeinurdu basic knowledge https://www.facebook.com/BasicKnowledgeinUrdu #buscoupler #busriser #busductriser