Abstract: With the rapid development of the power system, the performance of vacuum circuit breakers has also put forward higher requirements. The contact is one of the key factors to determine the ...

5 Best Shark Vacuums for Pet Hair and Stains, Tested by Dog Parents 5 Best Dyson Vacuums for a Sparkling-Clean Home, Tested and Reviewed The 8 Best Handheld Lightweight Vacuums of 2025, According to ...

Simply by wiretapping the contraband cellphone of one convicted murderer, authorities were able to seize hundreds of pounds ...

U.S. Rep. William Lemke, author of bills to help farmers, was handpicked to run for the Union Party by pro-Nazi influencers ...