explain_with_science on Instagram: "Workers use a steady cement application to fill sewer pipe holes because it seals gaps quickly and prevents leaks from spreading underground. The cement flows into the damaged area, hardens, and strengthens the pipe from the inside — making it one of the most effective methods for long-lasting sewer repairs. . Via:@hermes_technologie_gmbh . All credit goes to the respective owner(s). I do not own the audio/video/clips shown in this reel. This content is shared