1 Subjects: “...calcium silicate-based root canal sealer...”

2 Subjects: “...root canal filling...”

3 Subjects: “...surface canals...”

4 Subjects: “...irrigation main canal pool automation...”

5 Subjects: “...ear canal...”

6 Subjects: “...lined irrigation open-canal...”

7 Subjects: “...Metro Colombo canal system...”

8 Subjects: “...root canal measurement...”

9 Subjects: “...canal stenosis...”

10 Subjects: “...canal pool...”

11 Subjects: “...root canal sealer...”

12 “..., head and ear geometry as they describe the propagation path of the sound from a source to the ear canal...”

13 “..., and corrosion products such as rust, oxides and salts, also pollute water bodies at ports, rivers, dams, canals...”