More specifically concerning: invention
inventio, -onis f.
16 June 2003, around 8.17.
To be used for transportation, either of individuals, groups, or objects; insofar as the invention will reduce the friction of locomotion, speed and ease of travel will be increased — as, for instance, in the displacement of heavy objects from one point to another for the purpose of pleasure or profit. Also, productive elements: spinning, […]