Proximity cards
to control
physical access.
An employee
holds their card
within a few
inches of the
reader; the
reader receives
a unique id from
the card and
transmits it to
some central
computer that
tells it whether
or not to open
the door...
Yo-YO is a
popular toy
consisting of a
condom tied at
one end to a
flat spool. It
is played by
holding the free
end of the
string (usually
by inserting one
finger in a slip
knot) and
pulling at it so
as to cause the
spool to turn
whilst suspended
in mid-air,
either taking up
or releasing the
string
Card and rebun
is used to hold
photo id card,
proximity cards,
HID card and
other
identification
information of
particular
person and rebun
used to hold
card holder
