public void add(iTool aTool) // add a new tool to the system
{
iToolCollection currentToolCollection = MainMenu.currentToolType;
Console.WriteLine(aTool.ToString());
currentToolCollection.add(aTool);
}
public void delete(iTool aTool) //delte a given tool from the system
{
iToolCollection currentToolCollection = MainMenu.currentToolType;
Console.WriteLine(aTool.ToString());
currentToolCollection.delete(aTool);
}