abrasion mark
1Abrasion (geology) — Abrasion is mechanical scraping of a rock surface by friction between rocks and moving particles during their transport in wind, glacier, waves, gravity or running water, after friction, the moving particles dislodge loose and weak debris from… …
2abrasion, abrasive — Abrasion is the action or technique of wearing away a surface by friction, and can be a means of shaping solid forms. An abrasive is any substance which wears down a surface by rubbing against it. Abrasives are available in many forms,… …
3scuffmark — n. scratch mark, abrasion, mark caused by scuffing …
4scuffmarks — n. scratch mark, abrasion, mark caused by scuffing …
5Mars Exploration Rover — Artist s conception of rover on Mars Part of a panorama taken by the Spi …
6Solar mirror — A Solar mirror is a reflective surface used for gathering and reflecting solar energy in a system being powered by solar energy. It comprises a glass substrate, a reflective layer for reflecting the solar energy, and an interference layer. The… …
7glacial landform — ▪ geology Introduction any product of flowing ice and meltwater. Such landforms are being produced today in glaciated areas, such as Greenland, Antarctica, and many of the world s higher mountain ranges. In addition, large expansions of present… …
8Otoplasty — Otoplasty: the pre operative front aspect (left), and the post operative front aspect (right) of an infantile otopexy (ear pinback) correction to a girl. Otoplasty (Greek ōtoûs, ear + plassein, to shape) denotes the surgical and non surgical… …
9Apollo/Skylab A7L — Apollo 11 A7L space suit worn by Buzz Aldrin, and another worn by photographer Neil Armstrong in the visor reflection. The A7L Apollo Skylab spacesuit is the primary pressure suit worn by NASA astronauts for Project Apollo, the three manned… …
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