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Pehle Jaanchein — table dikhayega kaunsa item kitna badlega. Uske baad apna password de kar hi POS mein likha jayega.

Ek hi cheez ke alag size ek group mein. Har member ka factor batata hai woh base ke kitne barabar hai — danda = 10, tin = 16, 1/2 kg = 0.5. Adjustment phir bhi har item ka alag jata hai; group sirf dikhata hai ke poora khandaan mila ya nahi.