A1

Meaning

Adj

●

or excellent

●

in

condition

●

In good health.

●

In

or

condition.

●

First-class. (Compare A 2 and A 3, which are

grades.)

Noun

●

Under the International Union of Railways ("UIC")

system, a

steam locomotive

that has two

two

trailing wheels

, with no

; also called an 0-2-2.

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