in doubt there is no olga timokhina to lead.ative vacuum excavator machine for cleaning the street cleaning the channel in tver machine builders are expanding the line of production of special equipment for public utilities this year the company received 20 million rubles. the money was spent on the development of working capital under the program not only to increase production volumes, but also to create components, the percentage of imported spare parts was reduced significantly nadezhda semyonova estimated new types of technology. the domestic alternative to foreign technology, the innovative vacuum excavator tverskoy, was presented by the company only last year and immediately entered mass production . the principle of operation is like a large vacuum cleaner, soil under high pressure is eroded by water into a container and transported to a landfill for disposal . a compact machine specially designed for the city. capacity five. cubic meters, but there are also machines with larger overall dimensions in the lineup , such tv