Critical Path (walkthrough)

Critical Path
  
WARNING THIS IS A COMPLETE SPOILER TO THE GAME

1ST ROOM   PRESS THE ALERT BUTTON SO THAT KAT KNOWS THE MCL IS WORKING
1ST ROOM   ENTER 123 AND PRESS THE ORANGE BUTTON 
2ND ROOM   SAY NO TO KAT THAT YOU DID NOT PUSH THE CARTS
2ND ROOM   ENTER 152 IN THE LIFT AND PRESS ORANGE BUTTON
3RD ROOM   KEEP TRYING TO STOP CONVEYOR (IT WILL STOP)
3RD ROOM   KEEP TRYING TO START CONVEYOR, BEFORE MAN SHOOTS KAT
4TH ROOM   KEEP TRYING TO OPEN THE CHUTE
4TH ROOM   STOP AND START THE CRANE
5TH ROOM   NAVIGATE KAT THROUGH THE CEILING RAFTERS PROCEED AS FOLLOWS:
           GO FORWARD,LEFT,FORWARD,GO SECOND LEFT,FORWARD,LEFT,SECOND RIGHT,	
           FORWARD,RIGHT,LEFT,FORWARD,RIGHT,FORWARD AND OUT THE DOOR
6TH ROOM   GO TO RIGHT DOOR
6TH ROOM   SAY YES TO KAT
7TH ROOM   IN THE DRUG FACTORY GO RIGHT AND SHE WILL GO UP THE LADDER
8TH ROOM   ENTER 666 AND PRESS THE ORANGE BUTTON
9TH ROOM   ENTER 451 AND PRESS THE ORANGE BUTTON
11TH ROOM  ENTER 911 AND PRESS THE ORANGE BUTTON
12TH ROOM  PRESS THE SIREN BUTTON