Keywords: gears, machine, machinery, motor, engine, engineer, engineering
Sign Definition
As a Noun
                                            1.  A device or system which controls the rate at which energy is converted into motion. It usually consists of moving wheels and levers which fit together. English = gears.
                                          
                                          
                                        
                                            2.  A piece of equipment which uses electricity or power from an engine, especially one that has gears. English = machine.
                                          
                                          
                                        
                                            3.  Part of a machine that uses electricity or fuel to produce movement, so that the machine can work. English = motor, engine.
                                          
                                          
                                        
                                            4.  A skilled person who uses scientific knowledge to design and construct machinery, electrical devices, or roads and bridges; the skill itself. English = engineer; engineering.
                                          
                                          
                                        
                                            5. The components of a machine or a collection of machines. English = machinery.
                                          
                                          
                                        As a Verb or Adjective
                                            1.  Of a motor, engine or gears, to turn over, to operate correctly.
                                          
                                          
                                         
                  
                      