tube is underground but rail is on the ground :)
The difference between the British Rail Classes 313,314 and 317 is the different locations in which they are used.
Light rail is for street cars and trolleys. Rapid rail is for high speed trains and subways.
it is a light rail vehicle. What's the difference between a light rail and a rapid rail?
The difference in temperature between a warm tube misfire and a warm tube misfire in hot weather is the temperature that resulted in the hot weather .
Interurban means between urban centres (cities) Suburban means Between the suburb and the city it is connected to.
The difference between vascular and non-vascular is that vascular have a tube like structure and non vascular do no have a tube like structure
Direct Injection & common rail
The Magnetron tube is quite different from the Klystron tube. The Magnetron tube is can only function as an oscillator only.
monorail has 1 rail and a birail has 2 rails
The difference between a tube style spectroscope and the QA spectroscope is the ability to read the scale on the QA spectroscope. Otherwise the functions are similar.
The difference between the two is that the Water tube boilers are safer and last much longer than the fire tube boiler. Their size is also larger and have a faster recovery time. However fire tube boilers have a low cost.
Tube is measured by outside diameter, pipe is measured by inside diameter.