1. The emergence of coal-loading machines and gathering locomotives replaced hand-loading and mules. 2. With those advantages, you'd think the new generation of front-loading machines would dominate the marketplace. 3. Top-loading machines in Asia use impellers instead of agitators. 4. Vir says the machine appeals to singles and even handicapped people who prefer a front-loading machine . 5. Then a loading machine , the same one used for cargo containers, began moving in the furnishings. 6. This is achieved by pre-loading machine code from memory into a " prefetch input queue ". 7. Even on some expensive washers, the outer drum of front loading machines is often made of plastic. 8. Their chief advantage is that they tumble-wash clothes and need far less water than a traditional top-loading machine . 9. The hexagonal tub spins like a front-loading machine , only using about third of the water as conventional top-loaders. 10. The Maytag Neptune spins at 1, 000 revolutions per minute, nearly double the rpms of a standard top-loading machine .