A painter’s tool having multiple tool elements of a paint brush comb, a paint roller scraper, a scraper blade, and a container cover remover. The mold has openings formed therein which communicate with the cavity to facilitate vacuum forming of the film to the cavity’s interior surface. According to some embodiments, the mixture parameters may be measured using non-intrusive fiber optic based sensors. Thus, optically active theaspiran having a desired configuration and having a high optical purity is obtained in a satisfactory yield. The method includes receiving a second message from a second manager subsequent to the first message.