خدا خیرت بده. کلی فکر کردم این چی می خواهد بگه.
اگر لطف کنید این چند جمله را هم معنی کنید.
besides using optical readers at checkout stands, store personnel can use handheld wands attached to portable recording devices to replenish the store's inventory.
when an item must be restocked, the wand read the item's bar code that's fastened to the shelf where the item is displayed.
by passing a wand across a special tag attached to department store merchandise,
prints an itemized sales receipt