The essence of the method of investment casting is that the model is made from such a material without destruction of the form, you can melt or dissolve and get all-in-one form, which ensures high accuracy of castings. Most often, the material model is legkodymova waxy mass. The investment casting get casting of complex configuration with a wall thickness of up to 0.5 mm, mainly from steel and heat-resistant alloys, hard processed mechanically.
To travel by a caravan – all the same, that to have my own Motel on wheels. In contrast to vans, trailers clinging to the car, and have the stuffing from the simplest to the most luxurious including a fully equipped bathroom and kitchen.
To make the caravan, the workers erect a frame of steel beams. The saw, which cut them, water cooler, so it does not overheat during severe friction. Do then in the joists, screw holes and screws to fasten components. The beams are then welded to the working craftsmen in the finished frame. Around the frame is passed an electric wire; the holes where prophet wiring, edging, rubber-insulated in order to prevent damage to the sharp metal edges of the hole.
For the proposed universal physical campus, classes designed for both teenagers and adults, just a small free site (dimensions 5×5 m), where you can install 8 — 15 shells made independently from abundant materials (waste tires, dismantled metal pipes, rails, concrete pillars, scraps of cables).
In this town the shells, it is preferable to place the compact that will enhance the effectiveness of training, will relieve us of unnecessary trampling of green areas. Around the site it is advisable to plant a hedge of trees and shrubs that will create additional facilities for training, the greens will have a positive psychological impact on dealing, protects from sun, wind and dust.
In the conditions of a home workshop without special tools and fixtures can be performed, perhaps, only the so-called “collective” keyway: when impaled on the shaft gear or pulley is drilled by the drill joint hole centered on the circle stitching. Then in this hole is inserted a cylindrical key. But such a connection of the parts securely — no wonder because it is not in any Guest.
Wall shelf with a number pinned to the top of clothespins will help bring order to a set of fishing gear in the form of fishing rods and reels: stuck clothespins, rods will be held securely, and the line will never be mixed together.
The machine was conceived as a utility vehicle on which to carry at least small loads for the household in terms of “winter” and the winter terrain.
Made it mostly from materials available at the time available at hand. Well, the power unit of an old motorcycle “Voskhod” repaired, I have been waiting in the wings to be applied in the case. This is the same bike used handlebar, fuel tank and other components. In the manufacture of powertrain and chassis many elements borrowed from the combine “Niva” — from him and the windshield.
Cultivation of land, planting (or seeding) of crops, care for them — it is not only troublesome, but also difficult. Even those who got a dacha, or garden vegetable garden so that you have room to stretch at your leisure or to work for mother earth for his own pleasure, trying to facilitate and mechanize the works listed above.
With this purpose we have designed multifunctional garden unit on the basis of two-wheeled carts. With its help it is possible the device furrows on the previously loosened (plowed or cultivated) soil, the hoeing of root crops, mechanical weeding between rows, sowing seeds of agricultural crops. To perform the above operations, the unit is equipped with corresponding replaceable hinged equipment. Besides, the truck can be used for its intended purpose — for the manual handling of loads weighing up to 80 kg for short distances.
A makeshift flashlight can be made from clothespins, two drawing pins, disc batteries and a bright led. Disk battery should be installed between the findings of the led, observing polarity, and secure a linen clothespin.
“If I get sick — go to the doctors won’t; turn to friends…” — wrote the poet J. Smelyakov. But life shows that you have to apply to doctors and friends, because without their help, it is often impossible to do, especially bedridden patients.
If bed rest was delayed, it would be nice to make for fell ill necrolatry table, which is shown in the figure. He can serve a light tray, and a dining or work table, and even a kind of “stand”-stand on which the desired angle is located, for example, a book or manuscript, drawing materials, and a modern version — portable video devices, and even laptop.
It is known that the established garden weathervane with propeller with its constant sound and vibration that is transmitted through the pole into the ground, drives away from the area of rodents and moles. And the Scarecrow in the garden is meant to scare off birds — lovers enjoy the juicy fruit and berries.
