Question: draw diagram that includes 3 devices. *User system:* 1- user can choose items with the quantity. 2- then swipe his ID card. 3- the request
draw diagram that includes 3 devices.
*User system:*
1- user can choose items with the quantity.
2- then swipe his ID card.
3- the request will be send to the admin system.
*Admin system:*
register the request with the user ID& items& quantity.
User system
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