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RTPP, or RTP Port, is a critical component in the RTP protocol stack. It refers to the port number used by RTP to send and receive packets. The in RTPP pipe is a URL encoding for a space character. In URLs, spaces are typically replaced by to ensure compatibility with web browsers and servers. Therefore, RTPP pipe could be interpreted as RTP Port Pipe in regular language, denoting a pipeline or channel through which RTP packets flow.

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One of the key components of rock drill tools is the drill bit, which is the cutting tool that makes contact with the rock surface. Drill bits come in a variety of shapes and sizes, each designed for specific types of rock formations. For harder rock, carbide-tipped drill bits are commonly used, while softer rock may require diamond bits for effective drilling. The choice of drill bit depends on the type of rock being drilled and the required precision of the tunnel.

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