Another
way.
Stairway, staircase,
stairwell, flight of stairs or simply stairs are names
for a construction designed to bridge a large vertical
distance by dividing it into smaller vertical distances,
called steps. Stairways may be straight, round, or may
consist of two or more straight pieces connected at angles.
Special stairways include escalators and ladders. Alternatives
to stairways are elevators, stairlifts and inclined moving
sidewalks as well as stationary inclined sidewalks.
Bicycles were introduced in the 19th century and now number
about one billion worldwide. They are the principal means
of transportation in many regions. They also provide a
popular form of recreation, and have been adapted for
such uses as children's toys, adult fitness, military
and police applications, courier services, and competitive
sports... |
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