Systems and methods for providing estimations for a product for purchase at a plurality of stores. Initially, data is received from a source buffer. In accordance with one aspect of this invention, the engine enclosure of a work machine is devoid of an heat exchanger. The first unit has a side surface, a bottom surface, a pair of slots, and a protrusion portion. The aerosol generation system includes a pumping unit adapted to supply a liquid formulation to the aerosol generator; and a fluidic element located between the pumping unit and the capillary passage of the aerosol generator, wherein the fluidic element increases backpressure of the liquid formulation as the liquid formulation enters the capillary passage of the aerosol generator.