States that in a product liability action, a manufacturer or seller shall not be liable if the product is inherently unsafe and known to be unsafe by the ordinary consumer. Sets out the defenses to be used in such cases. For purposes of this section, the term “product liability action” does not include an action based on manufacturing defect or breach of the warranty. States tat in a product liability action, “if measures are taken which, if taken previously, would have made an event less likely to occur, evidence of the subsequent measures in not admissible to prove a defect in a product, negligence, or culpable conduct in connections with the event.