An Exchange Of Letters Dear Mr. Weston, I have been asked by Mr. James Paine, Managing Director of Hawkes Engineering, to get in touch with you concerning the installation of new plating and polishing plant at our Slough factory, which your firm is undertaking. As Chief Engineer at Hawkes, I shall be in charge of the installation at this end, and I shall be very grateful if you will consult me whenever you feel it to be necessary, and also if you will see that all correspondence, telephone queries, etc., which may arise in connection with the installation, are directed to my office. Mr. Paine is particularly anxious that this installation should be commenced as soon as any remaining problems have been cleared up, and should proceed as quickly as possible, with a view to completion by the end of May at the latest. I have seen the detailed specifications which your firm submitted in connection with the polishing plant installation, and they seem to me to be very comprehensive and highly satisfactory in almost all respects. There is one point, however, which I should like to bring to your attention. It seems to me from the drawings that your surveyor has not made adequate provision for strengthening of the floor of the main polishing shop. We pointed out to him at the time of his inspection of the premises that there seemed to have been a certain amount of subsidence in the flooring, as evidenced by cracking of the concrete which, in the north-east corner particularly, is quite extensive. Since this is the point at which the heaviest of the new machines is to be located it would seem to be especially important to ensure that the floor is equal to the loads it will have to bear, and from inspection of your plans I cannot say that I feel completely confident that the strengthening suggested there is sufficient. Perhaps you would be kind enough to take another look at this particular detail, and let me know what you feel. I look forward to hearing from you, and if you are in need of any further information, please do not hesitate to contact me. Yours faithfully, J. F. Marsh. Я не знаю пойдет ли такое письмо.
Water is necessary for life. All organisms contain it, some drink it and some live in it. Plants and animals require water that is moderately pure and they cannot survive if water contains toxic chemicasl or harmful microorganisms. Water pollution kills large quantity of fish, birds, and other animals, in some cases killing everything it affects. So it is very important to have clean water. Water pollution occurs mostly, when people overload water sources such as streams, lakes, underground flows, bays or seas with waste or substances harmful to living beings. Pollution makes streams, lakes and coastal waters unpleasant to swim in or to have rest. Fish and shellfish harvested from polluted waters may be unsafe to eat. People who consume polluted water may get ill if they drink polluted water for a long time.
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