Their products include pipe clamps, beam clamps, and other fastening elements meeting European and American guidelines.

In this paper presents the components of the train on-board equipment and the corresponding wayside equipment when Communications Based Train Control CBTC is used. The principle of operation of the ...

In this video I restored a walking water sprinkler model A5. This sprinkler was manufactured by National Manufacturing, a company in the United States of America. The traveling sprinkler drives itself ...

We propose a method based on the phase diagram tool to evaluate the sparse microwave imaging radar system. In the method, success rates of signal recovery are derived from the statistics of relative ...

Choose from 392 Solar System Diagram stock illustrations from iStock. Find high-quality royalty-free vector images that you won't find anywhere else.