Chhote restaurant/eatery mein table-side bill-settlement ka pattern hota hai — waiter bill leke jaata hai, customer pay karta hai. Kuch customers, khaaskar older-age-group, QR-scan mein comfortable nahi hote. Ye guide specifically card-machine (POS) ko QR ke practical-alternative ke roop mein explain karti hai is scenario ke liye. 💳 Card-Machine (POS) 🔗