4.2 Role wrong anti-Law <br>4.2.1 The first thing to put <br>4.2.2 enhance the quality of <br>4.2.3 to eliminate waste <br>4.3 anti-wrong principle four modes
4.2 The role of error-proofing<br>4.2.1 Get things done the first time<br>4.2.2 Improving quality<br>4.2.3 Eliminate Waste<br>4.3 Four modes of error-proofing principle
4.2 function of error proofing<br>4.2.1 do things well for the first time<br>4.2.2 improving quality<br>4.2.3 elimination of waste<br>4.3 four modes of error proofing principle<br>