A lot of common words, like Jacuzzi, dumpster, and Styrofoam, are or were trademarked names but have largely been "genericized". (M)aybe this picture will get you hot like kerosene
(M)any materials experience "fatigue", where, because of cyclic loading, they'll begin to deform or even fail well below their theoretical yield strength
(M)ost metals form an oxide layer when exposed to oxygen. Some are bad, but some "passivate" the surface, protecting it from corrosion (e.g., aluminum)
![Cleaning the kitchen [M]](https://cdn3.nude-pics.org/cleaning-the-kitchen-m-spi99Lnty3/cleaning-the-kitchen-m-thumb.webp)
