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...ranched), [[cycloalkane]]s, [[aromatic hydrocarbon]]s, or more complicated chemicals like [[asphaltene]]s. Each petroleum variety has a unique mix of [[molecule ...flow characteristics by injecting steam, carbon dioxide and other gases or chemicals into the reservoir. In the United States, primary production methods accoun

...dry cleaning industry is now{{when?}} beginning to replace perc with other chemicals and/or methods. At this time, dry-cleaning was carried-out in two different This changed when the British dry-cleaning equipment company Spencer introduced the first in-shop machines (which, like modern dry clean

...l aspects such as mechanical wounding, environmental stresses, and certain chemicals including auxin and other regulators".<ref name=Yang_1984> {{cite journal | * [[Joffre]], [[Joffre, Alberta|Joffre]], ([[Dow Chemical]] and [[Nova Chemicals]]), 2165 kta ethylene