What are sleepers?
Sleepers are wooden boxes laid across the railway tracks which hold the tracks in position. When trains move over them they hold the iron tracks in positions.
Explain the following:
(a) Sleepers are used below the rails.
(b) A tall building has wide foundations.
Explain the following : (a) It is easier to cut with a sharp knife than with a blunt one. (b) Sleepers are laid below the rails.