The most common input mechanism is a keypad, but touch screens are also found in some high-end smartphones.
I’m surprised you had the courage to take the responsibility yourself.
I suggest you try it again, Luke.
Wile E. can merely drop an order into a mailbox (or enter an order on a website, as in the Looney Tunes: Back in Action movie), and have the product in his hands within seconds.
Sed ut perspiciatis unde omnis iste natus error sit voluptatem.
It’s only a model.