using System;

using System.Linq;

using System.Collections.Generic;

public class Simple {

  public static void Main() {

    string[] parts = { "Burke", "Laptop", "Computer", 

                       "Mobile", "Ahemed", "Sania", 

                       "Kungada", "David","United","Sinshia" };

​

    var cars = new List<Car>{

        new Car{Id =1, parts = parts},

        new Car{Id =2, parts = parts},

    };

    var results = cars.SelectMany(c=> c.parts.Select(p=> new {part =p,CarId = c.Id })).ToList();

    foreach(var result in results){

        Console.WriteLine(result.CarId);

        Console.WriteLine(result.part);

    }

​

  }

  public class Car{

    public int Id {get;set;}

    public string[] parts {get;set;}

  }

}