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Angielski techniczny
conical flask/ erlenimaer flask, volcanic eruptions, accomplishment, sensible, labolatory dryer, remote, exhaust, boundary, trace amounts, faeces, containers, mechanical stirrer, contain, oxygen level, vary, dilute acids, various , infectious disease, labolatory oven, fluent, unsightly, separation, to replenish, biological material, accumulation, unsuited, diverse, test tube/ sample tube, a lavatory, harmful bacteria, primary pollutants, costly investment