Задать общий вопрос по к предложениям : 1. customers can buy all necessary foodstuffs in supermarkets 2. there is a laser scanner that reads and sums up the pricer on packed goods at the cashier's desk.

1) Where customers can buy all necessary foodstuffs?

2) Where is located laser scanner that reads and sums up the pricer on packed goods?

In the supermarket, laser prices on packet and on the cashier desk