gear grinding
91Machete — For other uses, see Machete (disambiguation). Older machete from Latin America The machete (   …
92Plough — Plow redirects here. For the Canadian soldier, see Edward Chester Plow. Plowman redirects here. For the surname, see Plowman (surname). Furrow redirects here. For other uses, see Furrow (disambiguation). For other uses, see Plough… …
93Pencil — This article is about the handwriting instrument. For other uses, see Pencil (disambiguation). HB graphite pencils A pencil is a …
94Robot — This article is about mechanical robots. For other uses of the term, see robot (disambiguation). For software agents, see Bot. ASIMO (2000) at the Expo 2005, a humanoid robot …
95Adjustable spanner — From the bottom: 1. The first adjustable spanner f …
96Windmill — A windmill is a machine that is powered by the energy of the wind. It is designed to convert the energy of the wind into more useful forms using rotating blades or sails. The term also refers to the structure it is commonly built on. In much of… …
97Micrometer — This article is about the measuring device. For the unit of length, see Micrometre. Outside, inside, and depth micrometers A micrometer (   …
98Vacuum cleaner — Cylinder vacuum cleaner for home use. French train vacuum cleaner …
99Ruler — For other uses, see Ruler (disambiguation). A variety of rulers A 2 meter …
100Circular saw — This miter saw uses a circular saw mounted to cut at an angle Buzzsaw redirects here. For other uses, see Buzzsaw (disambiguation). The circular saw is a machine using a toothed metal cutting disc or blade. The term is also loosely used for the… …
