An ink cartridge and loading mechanism for ink cartridge are provided. The secondary amines are prepared by the addition of one or more primary amines with one or more male and fumar Michael receptors. The empty openings within elements of the horizontal grid are fulfilled with plates wherewith a flat soffit is achieved. In one example, reactive species are generated from a plasma source to provide an increased reactive species density. The flexible substrate can be utilized as part of a solution for disinfecting one or more items located within the enclosure. A method of making an integral electric pressure probe comprises the steps of: coupling one end of a housing to a pitot tube assembly; molding a moldable material into the form of a strut including one end for being mounted to a surface of an aircraft; and molding another end of the housing to another end of the strut.