Theloughlab on Instagram: "The post features a 1.14-second video of a CNC lathe using a carbide insert to machine rust off a heavily corroded threaded metal rod, progressively revealing clean, shiny threads through precise cutting. Released on November 27, 2025, by Indonesian user @zeyzoeye , it quickly amassed 902,000 views and 943 likes, sparking mostly Indonesian replies questioning the process or suggesting simpler alternatives like buying new parts. This subtractive technique effectively re

Real Engineerings | Engineering & Technology & Gadgets & DIY on Instagram: "Manual Precision: Cutting Perfect Circles in Porcelain! 📐✨ ​Observe the steady hand and skill required to cut a flawless circular opening in a large-format tile using only a handheld angle grinder. While CNC machines handle factory cuts, this is master-level onsite fabrication! ​The Art of Freehand Fabrication ​Cutting curves in brittle materials like ceramic or porcelain requires patience and the right technique to avo