Assembly substation for assembling a cartridge for a smoking article

An assembly substation, comprising:

• a supply unit configured to provide a plurality of components;
• a feeder unit configured to receive the plurality of components from the supply unit;
• and
• a first assembly unit configured to receive a first portion of the components and a second assembly unit configured to receive a second portion of the components, the first assembly unit and the second assembly unit being respectively configured to assemble the first portion of the components and the second portion of components into a plurality of cartridges for an aerosol delivery device;
• wherein the feeder unit is arranged to alternate between feeding the first portion of the components to the first assembly unit and the second portion of the components to the second assembly unit.