A catheter is provided having a plurality of fluid entry ports formed therein and in communication with an inner lumen of the catheter. The midsole defines a plurality of upper and lower channels intersecting in a waffled construction to define openings. The tongs are located along the main boom at a position to multiply the force input by the lifting force machine. In a stream community, community members can add videos to the stream and interact collaboratively with others community members, such as chatting in real time with each other while viewing a video. A driving reference setting section, a feedback signal output section, a mark detecting section and a register correction value output section are provided and a control section for controlling the driving section of the printing mechanism effects control so that the driving reference phase is synchronized with the feedback phase of the a plate cylinder driven by each driving means. A first reflection polarizing plate is arranged on the front side of the liquid crystal element and reflects the light of one of the two polarized components of the incident light.