|   Actual Level 2, 1, 0 activities   | 
									               | 
									        
													
													    |   Batch operations   | 
													     
													      | 
													
													
													    |   Continuous operations   | 
													     
													      | 
													
													
													    |   Repetitive or discrete operations   | 
													     
													      | 
													
											
											
											    |   Process cell   | 
											     
											      | 
											
													
													    |   Process cell controller   | 
													     
													      | 
													
											
											
											    |   Production unit   | 
											     
											      | 
											
													
													    |   Production unit controller   | 
													     
													      | 
													
											
											
											    |   Unit   | 
											     
											      | 
											
													
													    |   Process cell unit controller   | 
													     
													      | 
													
											
											
											    |   Work cell   | 
											     
											      | 
											
													
													    |   Work cell controller   | 
													     
													      | 
													
											
											
											    |   Production line   | 
											     
											      | 
											
													
													    |   Production line controller   | 
													     
													      |