In most or all of them, the rotating road wheels mechanically operated a geared mechanism to keep the pointer aimed correctly.
Digital television antennas can be difficult to aim correctly because of the cliff effect and because of delays in decoding and displaying the signal.
On Web pages with tightly spaced items, it is almost impossible to aim correctly unless you use the built-in stylus, and unpredictable things happen even then.
But the boats were too near the pier to allow the cannon to aim correctly.
The Vendéens then burnt down the brooms, creating a huge amount of smoke which prevented the republican artillery from aiming correctly.
We never did manage to get the focusing device on your laser to aim correctly.
If I got this wrong, I wouldn't be able to aim correctly: I would miss and die.
To aim correctly, you must consider the force and direction in which Ehecatl is blowing his wind trumpet.
The objective is to shoot down the mosquitoes by moving the phone around and clicking when you are aiming correctly.
Some camera phones use convex mirrors to allow the user to correctly aim the camera while taking a self-portrait.