Общий: Did she get up at 6 o'clock? Разделительный: She got up at 6 o'clock, didn't she? Альтернативный: Did she get up at 6 or 7 o'clock? Специальный: When did she get up? Вопрос к подлежащему: Who got up at 6 o'clock?
They skated in the morning.
Общий: Did they skate in the morning? Разделительный: They skated in the morning, didn't they? Альтернативный: Did they skate in the mroning or in the afternoon? Специальный: What did they do in the morning? Вопрос к подлежащему: Who skated in the morning?
Defence of surrounding a man environment, as it well knows all, - one of major global problems. We will be stopped only for that part of problem that is related to power-stations. Affecting environment of different types of power-stations (ТЭС, hydroelectric power PLANT, АЭС) differently, and we will consider each of these three cases separately. Perhaps, the most negative affecting environment ТЭС render presently. Their influence consists in contamination of atmosphere the shallow particulate matters of ash (Because majority of ТЭС is used as a fuel by the мелкоизмельченный (in the special mills) up coal, carrying away of shallow particles of unfire-damaged coal is insignificant; coefficient of surplus of air there is always more unit (approximately on 20%) in heating. ) and especially by extrass with leaving gases of oxides of sulphur (if, certainly, sulphur is contained in a fuel, that is completely and alongside) and oxides of nitrogen. In respect of extrass of shallow particles of ash, then for a fight against this evil the mass producing of filters is put right with КПД
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