DENDROLOGY

Detailed explanation-1: -Railway Sleepers are wooden planks laid across railway tracks; they hold the tracks in position . Between 1, 760 and 2, 000 sleepers are needed to lay 1 mile of railway track .

Detailed explanation-2: -Wood was needed as fuel and to lay railway lines sleepers were essential to hold the tracks together. Each mile of railway track required between 1760 and 2000 sleepers.

Detailed explanation-3: -Sleepers are wooden boxes put across railway tracks which hold the tracks in position. They hold the iron tracks on their positions when trains move over them. The sleepers are made of beech and oak. The trees are cut in winter and are sorted as well as stored for around six to twelve months in an open area.