manufacture = Manufacture.create(name: 'Honda')
manufacture.automobiles.create(name: 'Civic', year: 2018)
Part.create(name: "Body Components, including trim",      price: 1200.00, weight: 500.00)
Part.create(name: "Doors",                                price:  100.00, weight: 25.00)
Part.create(name: "Windows",                              price:   25.00, weight: 5.00)
Part.create(name: "Audio/video devices",                  price:  500.00, weight: 2.50)
Part.create(name: "Cameras",                              price:  100.00, weight: 0.25)
Part.create(name: "Low voltage electrical supply system", price: 1500.00, weight: 2.00)
Part.create(name: "Gauges and meters",                    price:   50.00, weight: 0.75)
Part.create(name: "Ignition system",                      price:  125.00, weight: 1.00)
Part.create(name: "Lighting and signaling system",        price:  250.00, weight: 2.00)
Part.create(name: "Sensors",                              price:  500.00, weight: 2.00)
Part.create(name: "Starting system",                      price:  125.00, weight: 4.00)
Part.create(name: "Electrical switches",                  price:   75.00, weight: 1.00)
Part.create(name: "Car seat",                             price:  500.00, weight: 40.00)
Part.create(name: "Braking system",                       price:  300.00, weight: 35.00)
Part.create(name: "Engine components and parts",          price: 1500.00, weight: 575.00)
Part.create(name: "Engine cooling system",                price:  250.00, weight: 50.00)
Part.create(name: "Engine oil systems",                   price:  250.00, weight: 25.00)
Part.create(name: "Exhaust system",                       price:  500.00, weight: 40.00)
Part.create(name: "Fuel supply system",                   price:  750.00, weight: 10.00)
Part.create(name: "Suspension and steering systems",      price:  500.00, weight: 50.00)
Part.create(name: "Transmission system",                  price:  750.00, weight: 250.00)
Part.create(name: "Air conditioning system (A/C)",        price:  500.00, weight: 100.00)