Early Photograph | Making Daguerreotypes

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disclose = make (secret or new information) known

depiction = the action of showing something, especially in a work of art a mecca of = a place to which many people are attracted cross-section = a small group that represents all of the different types within the total group all walks of life = different types of jobs and different levels of society for all their popularity = in spite of their popularity labor intensive = taking lots of time for work exposure = the action of exposing a photographic film to light polished = shiny as a result of being rubbed moistened = wet slightly dilute = having a relatively low concentration buffed = polished fume = an amount of gas or vapour quickstuff = way to complete something or do something faster rotten stone = a decomposed rock used for polishing copper = metal Cu silver = metal Ag iodine = element I bromine = element Br mercury = metal Hg hyposulfite of soda = substance Na2S2O3 chloride of gold = substance AuCl3 #photography #video
EFL subset that concentrates more on language in context than on grammar and language structures. It covers topics from accounting or computer science to tourism and business management. "Specific" means the studying through a field that is already known and relevant to a student.