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.
Canola and vegetable oils are both plant-based oils that are liquid at room temperature. They're both beneficial for heart health, and are commonly used in cooking and baking. Therefore, it may be difficult to determine which type of oil is the better option for you -- but subtle differences do exist.hat Oils Are Made From. The main difference between vegetable and canola oils is the type of plant they are made from. Canola oil is extracted from rapeseed plants, which are related to mustard and cabbage plants. Vegetable oil on the other hand, is no other than soybean oil in many cases.