Abstract: The present disclosure provides aerosol generating substrates and aerosol source members comprising aerosol generating substrates, as well as methods of manufacturing thereof. In an example implementation, an aerosol generating substrate may comprise a fibrous filler material, an aerosol forming material, and a plurality of heat conducting constituents, wherein the substrate is formed as a sheet, and wherein the heat conducting constituents are part of the sheet. The heat conducting constituents may be incorporated within the sheet, or may be formed on a surface of the sheet. In another example implementation, an aerosol source member may comprise a substrate portion formed of a collection of intermingled pieces cut from an aerosol substrate sheet. In addition, or alternatively, a substrate portion may be formed of a series of overlapping layers of an aerosol substrate sheet.

Abstract: A method involves inspecting/testing a refrigeration system. One or more conduits or other components cooperate with the compressor, heat rejection heat exchanger, expansion device, and heat absorption heat exchanger to define a refrigerant flowpath. The inspecting/testing method comprises placing a plurality of collars over respective joints along the refrigerant flowpath. The collars each define a space that may be exposed to one or more sensors. Based upon input from the sensors, the presence or absence of leaks at the joints is determined.