Now, almost everywhere applied electronic machines and appliances, the programme of work which is carried out by using perforated paper tapes and cards. Therefore, it is easy from already used punch cards to pick up where the holes were located in one row. Essentially, this is a ready device for drawing dashes: apply to the centers of the holes, a ruler and a pencil or pen — under the card will remain clear dotted line.
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I work in the locomotive depot of the station Yerofey Pavlovich, produce visual AIDS for teaching assistants machinists of electric locomotives. During the work on the stand pneumatic...
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Applications I developed the thermostat is quite wide. It can be used, for example, to maintain the desired temperature in the vegetable stores, household incubators, in the hive....
