contact micrometer
91Drill bit — For the fictional character, see Drill Bit (Transformers). For the cancelled skyscraper nicknamed Drill bit, see Chicago Spire. For the types used in drilling wells, see Well drilling. From top to bottom: Spade, lip and spur (brad point), masonry …
92Donald Pettit — Donald Roy Pettit NASA Astronaut Nationality American Born April 20, 1955 (1955 04 20 …
93Magnetorheological fluid — Continuum mechanics …
94Osteoclast — Osteoclast, with bone below it, showing typical distinguishing characteristics: a large cell with multiple nuclei and a foamy cytosol. Latin osteoclastus Code …
95Numerical control — CNC redirects here. For other uses, see CNC (disambiguation). A CNC Turning Center …
96Optical interferometry — combines two or more light waves in an optical instrument in such a way that interference occurs between them. Early interferometers used white light sources and also monochromatic light from atomic sources (e.g., Young s double slit experiment… …
97Wood's metal — Wood s metal, also known as Lipowitz s alloy or by the commercial names cerrobend, bendalloy, pewtalloy or MCP 158, is a eutectic, fusible alloy with a melting point of approximately 70 °C (158 °F). It is a eutectic alloy of… …
98List of heraldic charges — This article does not cover those charges which derive their shape in part from that of the field; see Ordinary (heraldry). Subordinary chargesA few simple charges are traditionally, and arbitrarily, classified among the subordinaries. (All other …
99Concrete saw — A concrete saw being readied for use. The man in the background is preparing the hose to deliver water to cool the saw, whilst the operator is moving the saw to the required position. A substantial engine powers the unit …
100Radiation burn — Classification and external resources ICD 9 990 …
