An assembly for entraining a cut end of a web in a fluid flow (9,10), the assembly comprising: a knife means for cutting a web; means for delivering a fluid flow (9,10) proximal to an entrainment region where the web is cut, wherein the means for delivering a fluid flow (9,10) comprises a reservoir for holding a volume of fluid and a fluid outlet means in fluid communication with the reservoir and the entrainment region; and means for guiding the fluid flow (9,10) and an entrainable end of a cut web from the web entrainment region to a replacement web collection means, wherein the means for guiding the fluid flow (9,10) and the entrainable end of the web comprises a fluid flow guide member, the fluid flow guide member having a substantially smooth surface for generating a laminar flow fluid flow with a boundary layer, wherein the replacement web collection means is a replacement core or shaft having a generally cylindrical body for collecting the cut end of the web being dispensed, wherein the fluid flow guide member is mounted proximal to the replacement web collection means for collecting the cut end of the web in a web cutting operational position, the fluid flow guide member comprises a leading edge proximal to the web entrainment region where the web is cut and a trailing edge proximal to the replacement web collection means, an aft portion of the fluid flow guide member proximal to the trailing edge of the fluid flow guide member is curved to follow the circumference of the outer surface of the replacement web collection means, wherein the fluid outlet means is located proximal to the leading edge of the fluid flow guide member where the web is cut, characterised in that the replacement web collection means is disposed in the fluid flow and has a curved surface to create a Coand effect on this layer of the fluid flow drawing the fluid flow towards the curved surface of the replacement web collection means, and wherein the fluid flow exiting the fluid outlet means creates a venturi effect on the ambient air around the entrainment region by drawing the ambient air into the flow of fluid (9,10) being delivered along the fluid flow guide means. a knife means for cutting a web; means for delivering a fluid flow (9,10) proximal to an entrainment region where the web is cut, wherein the means for delivering a fluid flow (9,10) comprises a reservoir for holding a volume of fluid and a fluid outlet means in fluid communication with the reservoir and the entrainment region; and means for guiding the fluid flow (9,10) and an entrainable end of a cut web from the web entrainment region to a replacement web collection means, wherein the means for guiding the fluid flow (9,10) and the entrainable end of the web comprises a fluid flow guide member, the fluid flow guide member having a substantially smooth surface for generating a laminar flow fluid flow with a boundary layer, wherein the replacement web collection means is a replacement core or shaft having a generally cylindrical body for collecting the cut end of the web being dispensed, wherein the fluid flow guide member is mounted proximal to the replacement web collection means for collecting the cut end of the web in a web cutting operational position, the fluid flow guide member comprises a leading edge proximal to the web entrainment region where the web is cut and a trailing edge proximal to the replacement web collection means, an aft portion of the fluid flow guide member proximal to the trailing edge of the fluid flow guide member is curved to follow the circumference of the outer surface of the replacement web collection means, wherein the fluid outlet means is located proximal to the leading edge of the fluid flow guide member where the web is cut, characterised in that the replacement web collection means is disposed in the fluid flow and has a curved surface to create a Coand effect on this layer of the fluid flow drawing the fluid flow towards the curved surface of the replacement web collection means, and wherein the fluid flow exiting the fluid outlet means creates a venturi effect on the ambient air around the entrainment region by drawing the ambient air into the flow of fluid (9,10) being delivered along the fluid flow guide means.