A lamp with heat conducting structure includes a lamp cover made of heat dissipating material. Each of the branches may include a sweep assembly having an inboard end for locating toward a central area of the bin and an outboard end for locating toward a peripheral area of the bin, and each of the sweep assemblies may include a particulate sweep structure configured to move the particulate matter toward the inboard end. The system further can include a sequence builder configured to execute on the at least one processor. The frame portion extends from the first end part in substantially a first direction along a radial direction of the cylindrical lateral wall part, whereas the plurality of supplementary leads extends from the second end part in substantially a second direction opposite to the first direction along the radial direction.