1 Subjects: “...restorative material...”

2 Subjects: “...hybrid materials...”

3 Subjects: “...reference materials (RMs)...”

4 Subjects: “...material extrusion...”

5 Subjects: “...piezoelectric ceramic materials...”

6 Subjects: “...eco-friendly sound-absorbing material...”

7 Subjects: “...Mechanical engineering and materials / bicssc...”

8 Subjects: “...porous materials...”

9 Subjects: “...porous materials...”

10 Subjects: “...piezoelectric material...”

11 Subjects: “...piezoelectric material...”

12 Subjects: “...piezoelectric material...”