ENGLISH 大桥未久女教师番号大全"Ah, so you are a Netherlander, aren't you? Then we are friends. The Netherlands remains neutral, does she not? What news have you from there; are you already at war with Britain?"
That same evening many more houses were burned down, more particularly in Outre-Meuse, although no valid reason was given for that.
"No, no, sir," the lady said. "Oh, oh, it is so terrible! By and by the Germans will burn Lige and kill us all. She is the little daughter of my brother at Maastricht, and came to visit us a few days before war broke out, but now she will be killed too, for she refuses to go away."The whole evening and the next day the Germans went on shooting people and firing houses. It is worth recording that the library was already set on fire that same evening of the fray on the Naamsche Vest; it was burning at eight o'clock.
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It was a fantastic night. Trains arrived out of the foggy darkness, their screeching whistle resounding from the far distance, and when they steamed into the station a storm of noise arose. All these trains brought British prisoners of war, captured by the Germans at St. Quentin, and hundreds of German soldiers escorted the trains, which were all covered over with green branches, and looked like copse-wood sliding along the railroad. As soon as they rumbled into the station the escorts sang loudly their patriotic songs, and "Germany before all other!" ("Deutschland über Alles!") vibrated through the fog.
From Vis I went again across the Meuse to the road along the canal. Nearing Haccourt, I noticed that Fort Pontisse was actually silent, but Lierce still in full action. The Germans had mounted long-range guns on the hills between Lancey and Haccourt, whence they could place Fort Lierce under fire. A German officer, after some coaxing, allowed me to witness the operations for a short time. I found a place near some heavy guns, and sat down amid some underwood. The shooting from Lierce was very fierce, but only by the plumes of smoke could I tell whereabouts the fort might be. The shells came down near us, but during the half hour of my stop not one made a hit. They all fell short of us.It will be well for an apprentice to begin at once, as soon as he commences a shop course, to note the manner of handling material, watching the operation of cranes, hoists, trucks, tackle, rollers; in short, everything that has to do with moving and handling. The machinery and appliances in ordinary use are simple enough in a mechanical sense, but the principles of handling material are by no means as plain or easy to understand. The diversity of practice seen in various plans of handling and lifting weights fully attests the last proposition, and it is questionable whether there is any other branch of mechanical engineering that is treated less in a scientific way than machinery of this class. I do not allude to the mechanism of cranes and other devices, which are usually well proportioned and generally well arranged, but to the adaptation of such machinery with reference to special or local conditions. There are certain inherent difficulties that have to be encountered in the construction and operation of machinery, for lifting and handling, that are peculiar to it as a class; among these difficulties is the transmission of power to movable mechanism, the intermittent and irregular application of power, severe strains, also the liability to accidents and breakage from such machinery being controlled by the judgment of attendants.
Finishing as a process is a secondary and not always an essential one; many parts of machinery are ready for use when forged or cast and do not require fitting; yet a finishing shop must in many respects be considered the leading department of an engineering establishment. Plans, drawings and estimates are always based on finished work, and when the parts have accurate dimensions; hence designs, drawings and estimates may be said to pass through the fitting shop and follow back to the foundry and smith shop, so that finishing, although the last process in the order of the work, is the first one after the drawings in every other sense; even the dimensions in pattern-making which seems farthest removed from finishing, are based upon fitting dimensions, and to a great extent must be modified by the conditions of finishing.
(1.) Into what classes can gearing be divided?(2.) What determines the wearing capacity of gearing?(3.) What is the advantage gained by employing wooden cogs for gear wheels?(4.) Why are tangent or worm wheels not durable?
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