Abstract: The increasing demand for efficient machining of complex structural components puts forward higher requirements for the acceleration capability of machining equipment. Compared with ...

Multiplication is working out how many groups of something you have altogether. Division is working how many you get, after sharing a number between another number. You can use place value charts to ...

Police in Malaysia are hunting for members of a violent gang who chopped off a car owner's finger to get round the vehicle's hi-tech security system. The car, a Mercedes S-class, was protected by a ...