- A
retractable roof is a roof
system designed to roll back the roof of a
structure so that the
interior of the
facility is open to the outdoors. Retractable...
- A
retractable hardtop — also
known as "coupé convertible" or "coupé cabriolet" — is a car with an
automatically operated, self-storing hardtop, as opposed...
- A
telescopic toilet,
retractable toilet, or pop-up toilet, is a type of
toilet which is
stored underground and then
raised (usually hydraulically) above...
-
awnings in the
ancient world was the velarium, the m****ive
complex of
retractable shade structures that
could be deplo****
above the
seating areas of the...
- snow/ice/water and
skids for
vertical operation on land.
Faster aircraft have
retractable undercarriages,
which fold away
during flight to
reduce drag. Landing...
- A
retractable pen is a type of ink pen that has a spring-loaded ink
cartridge which retracts and
extends outside a
protective housing. By
clicking downward...
-
Heelys (formerly
known as
Heeling Sports Limited) is an
American brand of
roller shoe (marketed by Heelys, Inc.) that have
usually one or more removable...
- advantage.
Stadiums are
either open, enclosed, or have a
retractable roof. For
retractable roofs, the home team
determines if the roof is to be opened...
- A
retractable bridge is a type of
moveable bridge in
which the deck can be
rolled or slid
backwards to open a gap
while traffic crosses,
usually a ship...
- from
cloth or
other fabric.
Other types of
convertible roofs include retractable hardtops (often
constructed from
metal or plastic) and
detachable hardtops...
