Complex sentence: The product is no longer available in the United States; reviews cited it as having unreliable mechanical design and expensive-to-replace pads; however, it is still available in some other countries as the RoboMop.
Split into simpler sentences: The product is no longer available in the United States. Reviews cited it as having unreliable mechanical design and expensive-to-replace pads; however, it is still available in some other countries as the RoboMop.