
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
MOBILE SERVING CART
In everyday life, the kitchen typically serves as both a kitchen and a dining room: breakfast and dinner are eaten here, children are fed here, because everything is at hand.
But...
RAINCOAT FOR COLORS
Lovers of flowers know that many plants, especially broad leaves, it is necessary to periodically "bathed", refreshing them thus eliminating the dust. Would be convenient to use for...