Match the items under List 1 (Components of turn out in a railway track) with those under List 2 (Details of components).

LIST 1

LIST 2

P.

Stock rail

1.

Tapered movable rail, at its thicker end it is attached to a running rail. Also known as switch rail.

Q.

Crossing

2.

Pair of tongue and stock rails with necessary connections and fittings

R.

Tongue rail

3.

Device introduced at the junction where two rails cross each other to permit the wheel flange of a railway vehicle to pass from one track to another.

S.

Switch

4.

Running rail against which a tongue rail operates

P - 4, Q - 3, R - 1, S - 2

P - 4, Q - 2, R - 1, S - 3

P - 1, Q - 3, R - 4, S - 2

P - 1, Q - 2, R - 4, S - 3

LIST 1		LIST 2
P.	Stock rail	1.	Tapered movable rail, at its thicker end it is attached to a running rail. Also known as switch rail.
Q.	Crossing	2.	Pair of tongue and stock rails with necessary connections and fittings
R.	Tongue rail	3.	Device introduced at the junction where two rails cross each other to permit the wheel flange of a railway vehicle to pass from one track to another.
S.	Switch	4.	Running rail against which a tongue rail operates