Even thought the mayfly, just like any other insect, is a terrible thing to some and an annoyance to the others, you should know that it has its own place and importance in the ecosystem, as do all the forms of life. The mayfly are small insects and come in a variety of species.
A direct free kick is a method of restarting play in a game of association football following a foul. A goal may be scored directly against the opposing side without the ball having first touched another player. This is opposed to an indirect free kick where the ball must passed before an attempt on goal. According to FIFA rules, if the ball goes out of play, a player may score off of the ensuing free kick. The rule is also in effect if the ball is kicked in off the goal post or another player. The point also counts if the player passes it to himself and scores.
The curve ball, or half-masse shot is performed by elevating the butt end of the cue around 45 degrees and striking downward at the cue ball, hitting left or right of center. The two main factors that will determine the path of the cue ball are: 1. How hard you stroke. 2. How far left or right of center you hit the cue ball. With some experimentation, you will begin to get a good feel for how much the cue ball will be pushed off line and when it will curve back in the other direction. Bear in mind, there will be some differences in using a heavier cue ball, such as on a coin-op bar table. It's really a very handy shot.