Although rail vehicles occasionally do use drives without sensors, most need a rotary speed sensor for their regulator system. The most common type is a two-channel sensor that scans a toothed wheel on the motor shaft or gearbox and therefore does not require a bearing of its own.heel speed sensors are used in anti-lock braking systems in conjunction with the Electronic Stability Control system.
But actually, there are a lot of differences between the two than just the name. For starters, lard is made out of animal fat, usually the fat of the pig. There are also a number of different lards that are made out of the fat from other animals such as duck fat and goose fat. On the other hand, shortening is made from a variety of different oils.
Rating Newest Oldest. Best Answer: the main differences between paella and jambalaya are (1) the cooking pot: a paella is a wide, shallow, flat-bottomed pan whilst jambalaya is traditionally cooked in a deep cast-iron pot; (2) the rice: the Spanish use a round rice such as Valencia or Calasparra, which absorb more liquid without disintegrating.