its so tired and stress today lo, went learn basic cashiering...
got so much things to learn sia for 1 cashier machine...
1 on/off button
7 payment mode
30+ over item code to rmb
afew more others key functions...
i think about 10+ more keys of function ba...
each still got different usage sia

tml still got go down again...
den worse, last min call us go back 1 more extra day,
jus to learn how to do Credit Card payment lo...
1 whole day jus learn how to use CC payment...
sianzzzzzzzzz.....................