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
The screw on clearance
Modelers in different disciplines often have to deal with the problem of determining the speed of rotation of the parts, screws, shafts, and even cassette recorders. That's what the...
TABLE LAMP
This elegant Desk lamp is enough to have two rods with a cross-section 12X12 mm, length of 480 mm and three cubes of appropriate size. The most suitable material for this purpose is...
