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.
Recommend to read
ON THE BED – THE STAIRS
Well adults: they do not rise from their beds. And the kids? To change them like clothes with shoes, each year at most? Here and thrown into the yards of the old cots. But they can be...
SAW-PLANER MACHINE
When my family moved to a far from new estate house with a land plot, I faced the problem of its thorough renovation and construction of outbuildings. It was clear that such work could not...
