Blood is also called as fluid connective tissue because it posses all the properties of connective tissue. 1  It connects various body parts with each other.  Forms packing around various body organs so called as packing tissue.
This signal monitor switch is used to upgrade any 3000 or 8000 series exit device. It gets mounted in the push-bar of the exit device on the hinge side. It can be used to operate signal lights, horns, monitors or other devices. This switch can be set to be normally open or normally closed.
A nonblocking minimal spanning switch is a device that can connect N inputs to N outputs in any combination. The most familiar use of switches of this type is in a telephone exchange. The term non-blocking means that if it is not defective, it can always make the connection. The term minimal means that it has the fewest possible components, and therefore the minimal expense.