Roulette wheel is the main character of every roulette game which is played both online and in land-based casinos. So, it would be not out of place to know the principle of its work.
It is very important to know all sectors of roulette table layout to be confident about what bets to make, when to make them and where to place chips. Don't forget about a "dolly"!
The rules of casino roulette game and online roulette do not differ much: they are not difficult at all but they are worth learning and following. Learn how to make bets!