Properly working brakes are essential to vehicle safety and reliability. When you depress your brake pedal and stop your tires from rotating, you need the confidence to know that your vehicle will come to a complete and precise stop. 1  Brake pads, shoes, drums, and rotors are made of materials that wear down from heat and friction, even under normal driving conditions.
In football, a down block means a block in the direction of the offensive center. The basic idea in down blocking is the blocker engages with and blocks the first player to come across his face. So if the OL / DL alignment is like this, a down block play on sweep to the right side (outside the RT) goes like this... RT RG C LG LT TE. LDE LDT RDT RDE.
Cisco Endorsed by Nilo Noguera. Roberto Salazar about 9 years 1 month ago. non-blocking refers to the the port's access to the backplane or the line card's ASIC interface to the ports.When a line card is sadi to be non-blocking it usually means that for all it's ports it has full b/w to the backplane.In some line card, due to h/w designed are said to be blocking line card or over-subscribed.his usually means that for x number of ports it shares an interface to the ASIC hence does not have full b/w access to the backplane. some example of a blocking or (oversubscribed) line card are WS-X4418-GB, WS-X4448-GB and there are some 6500 line cards that escapes my mind right now.