Roof containing both principal and common rafters
A) Box-frame construction C) Closed truss
a) Sill beam b) Post c) Stud d) Transverse beam e) Common rafter f) Couple g) Principal h*) Collar i) Queen strut j*) Tiebeam k) Axial beam
Roof containing both principal and common rafters
A) Box-frame construction C) Closed truss
a) Sill beam b) Post c) Stud d) Transverse beam e) Common rafter f) Couple g) Principal h*) Collar i) Queen strut j*) Tiebeam k) Axial beam
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