A method for producing acrylic acid from an acrylic acid-containing solution of high concentration without performing azeotropic distillation is provided. There are two ingredients to this solution. When the holder is mounted on a female housing, a contact surface of the sealing member is pressed against the front end surface of the female housing. In varying embodiments, the load balancing unit is operative to select destination ports from the subsets of network ports as a function of source port ID values, source addresses, and destination addresses. As extruded, the rocker panel may include one or more interior reinforcing walls as well as interior and exterior design features. The peptides and peptide analogs are useful in preventing and treating a variety of diseases and disorders associated with tissue damage.