Both the medulla and the pons are considered part of the hindbrain. The midbrain, or mesencephalon, connects the pons to the diencephalon and forebrain. Besides relaying sensory and motor signals, the structures of the brain stem direct involuntary functions. The pons helps control breathing rhythms.
the blister blog allied chemical now honeywell began development of pctfe film in the early 1960s an application for the trademark was made on june 19 1961 and granted on march 27 1962 the trademark application notes that aclar is a fluorine containing plastic in sheet or film form the first use was august 11 1960 the polymer was extruded in pottsville pa and the search for applications markets and products began
Typically kevlar is spun into ropes or fabric sheets that can be used as such or as an ingredient in composite material components.evlar is a very strong man made fiber, stronger than many metals. It is used where very high tensile (pulling) strength is needed. Its most famous use may be for body armor, and for military helmets. It is also used to make cut resistant gloves for people that work with sharp items.