this few day i was busy 2 finish my assigment. my assigment is about a function the system. by using the plc program i can use this software 2 buil up my system. my idea is buil a automatic car wash system. I having the skill of my lecture teach me,so i manage 2 finsih this assigment. is was happy. but i still need 2 present it for my lecture on this coming monday. wish me good lucky.