mechanical electrical plumbing
91art conservation and restoration — Maintenance and preservation of works of art, their protection from future damage, deterioration, or neglect, and the repair or renovation of works that have deteriorated or been damaged. Research in art history has relied heavily on 20th and… …
92Ship — A ship IPA|/ʃɪp/ audio|en us ship.ogg|Audio (US) is a large vessel that floats on water. Ships are generally distinguished from boats based on size. Ships may be found on lakes, seas, and rivers and they allow for a variety of activities, such as …
93Building inspection — A building inspector is a person who is employed by either a city, township or county and is usually certified in one or more disciplines, either as a residential or commercial building inspector, a plumbing, electrical or mechanical inspector or …
94Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… …
95Water purification — This article is about large scale, municipal water purification. For portable/emergency water purification, see portable water purification. For industrial water purification, see deionized water. For distilled water, see distilled water. Water… …
96Dehumidifier — Typical portable dehumidifier, mounted on casters A dehumidifier is typically a household appliance that reduces the level of humidity in the air, usually for health reasons. Humid air can cause mold and mildew to grow inside homes, which pose… …
97Royal Engineers — Corps of Royal Engineers Insigne des Royal Engineers Période XVe siècle aujourd hui Pays …
98Technical drawing — Drafter at work …
99Dry ice — Sublimation of dry ice when placed on the surface of water at room temperature Dry ice, sometimes referred to as Cardice or as card ice , is the solid form of carbon dioxide. It is used primarily as a cooling agent. Its advantages include lower… …
100Mir — This article is about the Soviet/Russian space station. For other uses, see Mir (disambiguation). Mir …
