A standard trailer coupler includes a raising lever above the ball receptacle, where you lift the lever to slide the receptacle over the hitch ball then push it back down to secure the connection ...

The designed RIS unit cell is mainly composed of a metal patch, two 180° hybrid couplers, and two phase modulation circuits from top to bottom. The top square metal patch loaded with four parasitic ...

These components – cabling interconnects, bias tees, directional couplers, and diplexers – increase the overall amplifier footprint, installation complexity, and reduce already limited available ...

Two Horizon trainsets used in Hiawatha service are coupled back-to-back in Amtrak’s Chicago coach yard Wednesday afternoon, March 26. To the left is the rear of the Lake Shore Limited equipment and ...

Combination image of the 33-story State Audit Office building, which was nearly completed before collapsing due to earthquake tremors in Chatuchak district, Bangkok, on March 28, 2025. BANGKOK ...

Rescuers work at the site a high-rise building under construction that collapsed after a 7.7 magnitude earthquake in Bangkok, Thailand, Friday, March 28, 2025. (AP Photo/Wason Wanichakorn) BANGKOK ...

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