// Skapa en ny Utrustningstyp
public string CreateEquipmentType(EquipmentType eqType)
{
var currentNames = _marketData.GetEquipmentTypeNames();
if (currentNames.Contains(eqType.Name))
{
return("Denna Utrustningstyp finns redan");
}
return(_marketData.CreateEquipmentType(eqType));
}