i don’t want to leave to a very specific historic time but i do think it’s important to keep that in mind as we look at the programming. lovely poems and full of meaning. there are two types of engines in expert systems: first, there is the knowledge engine, which represents facts and rules about a specific topic. the sidewalk and parking lane on the south side of morse will be closed, but a protected pedestrian walkway will be created in the morse bike lane. many, many thanks for your visit here. 