Modern Practice
Nowadays helpers/bankers are often controlled by coded radio signals from the locomotive at the head end of the train, allowing one engineer (driver) to simultaneously control the helper(s) and the train being helped. If radio operation is not possible, electrical control might be used, by way of cables running the length of the train (especially in case of passenger trains), or else the helpers are manually controlled, which is still the usual for bank engines at the end of freight trains in Europe.
Read more about this topic: Bank Engine
Famous quotes containing the words modern and/or practice:
“Families have always been in flux and often in crisis; they have never lived up to nostalgic notions about “the way things used to be.” But that doesn’t mean the malaise and anxiety people feel about modern families are delusions, that everything would be fine if we would only realize that the past was not all it’s cracked up to be. . . . Even if things were not always right in families of the past, it seems clear that some things have newly gone wrong.”
—Stephanie Coontz (20th century)
“God forbid that any book should be banned. The practice is as indefensible as infanticide.”
—Rebecca West (1892–1983)