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In 2017, 3M had net sales for the year of $31.657 billion, up from $30.109 billion the year before. [54] In 2018, it was reported that the company would pay $850 million to end the Minnesota water pollution case concerning perfluorochemicals. [55] On May 25, 2018, Michael F. Roman was appointed CEO by the board of directors. [56]
[8] [9] The name was soon applied to the entire line of 3M tapes. Scotty McTape, a kilt-wearing cartoon boy, was the brand's mascot for two decades, first appearing in 1944. [10] The familiar tartan design, a take on the well-known Wallace tartan, was introduced in 1945. [10] The Scotch brand, Scotch Tape and Magic Tape are registered ...
Freemake Video Downloader is a crippleware download manager for Microsoft Windows, developed by Ellora Assets Corporation. It is proprietary software that can download online video and audio. [2] [3] Both HTTP and HTTPS protocols are supported. Users must purchase a premium upgrade to remove Freemake branding on videos and unlock the ability to ...
Polishing is often used to enhance the appearance of an item, prevent contamination of instruments, remove oxidation, create a reflective surface, or prevent corrosion in pipes. In metallography and metallurgy, polishing is used to create a flat, defect-free surface for examination of a metal's microstructure under a microscope. Silicon-based ...
Thread seal tape is wrapped around the threads, lubricating the connection and allowing the two pieces to be screwed deeper together. Thread seal tape (also known as PTFE tape, Teflon tape, or plumber's tape) is a polytetrafluoroethylene (PTFE) film tape commonly used in plumbing for sealing pipe threads. The tape is sold cut to specific widths ...
Lapping machine. Lapping is a machining process in which two surfaces are rubbed together with an abrasive between them, by hand movement or using a machine.. Lapping often follows other subtractive processes with more aggressive material removal as a first step, such as milling and/or grinding.
Polishing is the process of creating a smooth and shiny surface by rubbing it or by applying a chemical treatment, leaving a clean surface with a significant specular reflection (still limited by the index of refraction of the material according to the Fresnel equations). [1]