Complex sentence: The cabinets and hardware were produced on a low budget and proved to be very unreliable when compared to contemporary machines, as a result very few remain in working order, with only one known restored machine in the United Kingdom.
Split into simpler sentences: The cabinets and hardware were produced on a low budget and proved to be very unreliable when compared to contemporary machines. As a result, very few remain in working order, with only one known restored machine in the United Kingdom.