secondary contamination
121organohalogen compound — Introduction any of a class of organic compounds (organic compound) that contain at least one halogen (halogen element) ( fluorine [F], chlorine [Cl], bromine [Br], or iodine [I]) bonded to carbon. They are subdivided into alkyl, vinylic, aryl,… …
122Denver — This article is about the capital of Colorado. For other uses, see Denver (disambiguation). City and County of Denver   City co …
123Chocolate — For other uses, see Chocolate (disambiguation). Chocolate most commonly comes in dark, milk, and white varieties, with cocoa solids contributing to the …
124Cosmic microwave background radiation — CMB and Cosmic background radiation redirect here. For other uses see CMB (disambiguation) and Cosmic background (disambiguation). Physical cosmology …
125Hard disk drive — Hard drive redirects here. For other uses, see Hard drive (disambiguation). Hard disk drive Mechanical interior of a modern hard disk drive Date invented 24 December 1954 [1] …
126Manhattan Project — This article is about the atomic bomb project. For other uses, see Manhattan Project (disambiguation). Manhattan District The Manhattan Project created the first nuclear bombs. The Trinity test …
127Sulfuric acid — Sulfuric acid …
128Bleeding — Infobox Disease Name = Bleeding Caption = DiseasesDB = ICD10 = ICD9 = ICD9|456.20 ICDO = OMIM = MedlinePlus = eMedicineSubj = eMedicineTopic = MeshID = Bleeding, technically known as hemorrhaging/haemorrhaging (see American and British spelling… …
