An oven is provided for curing or reflowing compounds on objects, such as lead frames or other substrates. More particularly, it refers to the composition for prevention and treatment through cultivation of fish in a water tank containing \u03b4-aminolevulinic acid or the oral administration of a feed mixed with \u03b4-aminolevulinic acid to fish. The prism has three light incident surfaces, each of which is coated with a unique color filter for exclusively transmitting a predetermined color light, and a light emissive surface. According to other embodiments, the arm is hollow and contains a fluid conduit andor an electrical cable. A component assembly flag and a component assembly status flag are appended to the BOM stored in the BOM data base so that the expansion to the lower hierarchal layers of the component is presented.