Wiktionary
                    pneumatically
                    
                        
                
                                                                    adv. 1 In a pneumatic manner. 2 Using pneumatics.
WordNet
                    pneumatically
                    
                        
                
                                                                    adv. in a pneumatic manner; "at the present time the transmission is very often done hydraulically or pneumatically"
Usage examples of "pneumatically".
Then a thick lining of shotcrete or gunite was sprayed on the tunnel pneumatically at high velocity.