Nested installation of original glass window. To reduce the sound of the train cars, such as noise are both sliding pane opens next to die, except to clean it. Glass 5 mm silver frames.
Install nested inside of the glass window. To reduce noise, such as noise, trains, cars have sliding doors opening out to clean deadlocks 5 mm clear glass with silver frames.
Double glass windows installed inside of the original, to reduce noise, such as the sound of the train, car, both thereby sliding door open doors deadlocks lift out to clean. Glass 5 mm frame silver.