Fig. 4
Four types of door leaf structure: (a) Hollow extruded particleboard, (b) Homogeneous extruded particleboard, (c) Vertical corrugated board and (d) flat extruded particleboard.
Fig. 4 | Scientific Reports
Four types of door leaf structure: (a) Hollow extruded particleboard, (b) Homogeneous extruded particleboard, (c) Vertical corrugated board and (d) flat extruded particleboard.
