Labels:crt screen | dialog box | monitor | rock | tree | window OCR: HYAC Go left sS CC 822 93 DRAWRECT Conf m 1/4 Stra ight 24 56 Interactive Interference to (5) 06 Elbow Checking Tee -Branch Cross Trans i+ More Left 56 1/4 Square 213/8 >CC on >AS 0m Possible Collisi ion Start Cont imue Re. ject (15) Join Duct view Collision Move Copy Erase Undolast Query MORE Command Collis ion Checking Progress DRAWREC Intera ctive Interf erence inue Undo last Juery Check