PI is required to move large sheets of plywood or hardboard, and the door of the greenhouse, or glassed-in frames — it is always difficult: the load is not so heavy but bulky and uncomfortable, not immediately figure out how to take it. Very easier task 1ростое fixture; it consists of a wooden grip in the form of an inverted letter G with a slot in a vertical rack and connected with it the bolt with a lamb short socket with a handle. Adjusting the length of the resulting vertical posts mounted on horizontal platform of a cargo and carry it, as shown in the figure.Recommend to read
UNIVERSAL INDICATOR
Two LEDs with different color (e.g., red and green), you can build a simple indicator for voltages from 4.5 to 220 V. It is also able to determine the polarity of the source in the range...
NOT A TRUCK, AND LUCKY
Even a teenager will be able to cope with a large metal flask of water or heavy gas cylinders, driving them to the house without the help of a truck, but only because that's such a...
