A delivery apparatus for deaerating a volume of compound, the delivery apparatus comprising: a deaerator head comprising a deaerator inlet and a deaerator outlet, wherein the deaerator inlet is configured for receiving the volume of compound, wherein the deaerator outlet is opposite the deaerator inlet, and wherein the deaerator outlet is larger than the deaerator inlet; a plurality of apertures positioned with respect to the deaerator inlet and the deaerator outlet such that respective portions of the volume of compound received into the deaerator head through the deaerator inlet pass through respective apertures of the plurality of apertures before exiting the deaerator head through the deaerator outlet; and a vacuum chamber, wherein the deaerator head and the plurality of apertures are configured to be positioned within the vacuum chamber while the volume of compound is deaerated, wherein the delivery apparatus is configured to deaerate the volume of compound while the deaerator head and the plurality of apertures are maintained at a reduced air pressure in the vacuum chamber, and wherein the plurality of apertures are sized to increase a ratio of surface area to volume of the volume of compound as the volume of compound passes through the plurality of apertures, wherein the vacuum chamber comprises a chamber inlet configured to receive the deaerator head and the plurality of apertures there through, wherein the vacuum chamber comprises an inlet seal configured to create an at least substantially air-impermeable seal between the chamber inlet and a reservoir body containing the volume of compound prior to deaeration, wherein the delivery apparatus further comprises the reservoir body, wherein the reservoir body comprises a reservoir outlet, wherein the reservoir outlet is configured to be selectively coupled to the deaerator inlet such that the volume of compound may flow from the reservoir body into the deaerator head via the reservoir outlet and the deaerator inlet, wherein the chamber inlet is sized to allow passage of the deaerator head, the plurality of apertures, and the reservoir outlet there through, while preventing passage of the reservoir body into the vacuum chamber through the chamber inlet. a deaerator head comprising a deaerator inlet and a deaerator outlet, wherein the deaerator inlet is configured for receiving the volume of compound, wherein the deaerator outlet is opposite the deaerator inlet, and wherein the deaerator outlet is larger than the deaerator inlet; a plurality of apertures positioned with respect to the deaerator inlet and the deaerator outlet such that respective portions of the volume of compound received into the deaerator head through the deaerator inlet pass through respective apertures of the plurality of apertures before exiting the deaerator head through the deaerator outlet; and a vacuum chamber, wherein the deaerator head and the plurality of apertures are configured to be positioned within the vacuum chamber while the volume of compound is deaerated, wherein the delivery apparatus is configured to deaerate the volume of compound while the deaerator head and the plurality of apertures are maintained at a reduced air pressure in the vacuum chamber, and wherein the plurality of apertures are sized to increase a ratio of surface area to volume of the volume of compound as the volume of compound passes through the plurality of apertures, wherein the vacuum chamber comprises a chamber inlet configured to receive the deaerator head and the plurality of apertures there through, wherein the vacuum chamber comprises an inlet seal configured to create an at least substantially air-impermeable seal between the chamber inlet and a reservoir body containing the volume of compound prior to deaeration, wherein the delivery apparatus further comprises the reservoir body, wherein the reservoir body comprises a reservoir outlet, wherein the reservoir outlet is configured to be selectively coupled to the deaerator inlet such that the volume of compound may flow from the reservoir body into the deaerator head via the reservoir outlet and the deaerator inlet, wherein the chamber inlet is sized to allow passage of the deaerator head, the plurality of apertures, and the reservoir outlet there through, while preventing passage of the reservoir body into the vacuum chamber through the chamber inlet.