Wooden beams or trusses and joists, supporting light flooring, e.g. wooden planks.
Wooden beams with two perpendicular layers of wood-plank flooring, Italy (Maffei et al., EERI, 2006)
Wooden floor structure overlaid by planks and bamboo strips, Nepal (Y.K. Parajuli, J. Bothara, and B.K. Upadhyay, World Housing Encyclopedia Report 74)
Wooden joists supporting light flooring, Portugal (S. Brzev)