multiplying クイズ

A toggle joint, which used a lever system to multiply power, replaced the screw mechanism for forcing down the impression-forming platen.

[The researchers] noticed many of their pieces of [plastic marine] debris sported surface pits around two microns across. Such pits are about the size of a bacterial cell. Closer examination showed that some of these pits did, indeed, contain bacteria, and that in several cases these bacteria were dividing and thus, by the perverse arithmetic of biological terminology, multiplying.