         Summary of Track Changes - Ventilation in Shipyard Employment


   1. Page 6, paragraph 3, line 6: Deletion.  "...atmosphere. If using supplied air then the motor must be. Also..."
   2. Page 6, paragraph 4, 
         a. Line 2: "these" changed to "the"
         b. Line 3: Deletion. "type" 
   3. Page 7, paragraph 2, line 7:"as well as have" changed to "and has"
   4. Page 8, paragraph 2,
         a. Line 3: "is" changed to "in"
         b. Line 5: "The" changed to "A"
   5. Page 8, paragraph 3, line 2: Insertion. "...space to maintain..."
   6. Page 9, last paragraph, line 2: Insertion. "...space where existing..."
   7. Page 10, paragraph 1, line 5: "uses" changed to "used" 

