Canopies:

A canopy is an overhead roof or else a structure over
which a metal covering is attached, able to provide
shade or shelter.
Low-cost, high-quality protection from rain, snow and wind
with a WeatherShield Covered Walkway and Connect-ABuilding. Connect two buildings together for convenient
entry and exit.

Handrail:

A handrail is a rail that is designed to be grasped by the
hand so as to provide stability or support.[1] Handrails are
commonly used while ascending or descending stairways
and escalators in order to prevent injurious falls. Other applications include bathroom handrails—which help to prevent falls on slippery, wet floors—and barres, which serve
as training aids for ballet dancers. Handrails are typically
supported by posts or mounted directly to walls.

Louvers:

Louvers originated in the Middle Ages as lantern-like constructions in wood that were fitted on top of roof holes in
large kitchens to allow ventilation while keeping out rain
and snow. They were originally rather crude constructions
consisting merely of a barrel. Later they evolved into more
elaborate designs made of pottery, taking the shape of
faces where the smoke and steam from cooking would
pour out through the eyes and mouth, or into constructions
that were more like modern louvers, with slats that could be
opened or closed by pulling on a string.