mineral wool n. An inorganic fibrous substance that is produced by steam blasting and cooling molten glass or a similar substance and is used as an insulator and a filtering material. Also called rock wool.
switch (swĭch) n. 1. a. An exchange or a swap, especially one done secretly. b. A transference or shift, as of opinion or attention. 2. a. A device used to break or open an electric circuit or to divert current from one conductor to another. b. A device consisting of two sections of railroad track and accompanying apparatus used to transfer rolling stock from one track to another.
stroll (strōl) v. strolled, stroll·ing, strolls v.intr. 1. To go for a leisurely walk: stroll in the park. 2. To travel from place to place seeking work or gain.