_________ is stronger than the single scaffolding and it is used in the construction of stone work.
(a) Trestle scaffolding
(b) Steel scaffolding
(c) Patented scaffolding
(d) Double scaffolding
This question was addressed to me in an interview.
Origin of the question is Component Parts of a Scaffolding in division Scaffolding, Shoring and Underpinning of Construction & Building Materials