private bool IsValidSpec(IDimensions dimensions)
{
var standardDimension = _dimensionRepository.GetDimensions().FirstOrDefault(x => x.Type == "Shuttle");
return(standardDimension != null && (CompareValues(standardDimension.Length, dimensions.Length) &&
CompareValues(standardDimension.Width, dimensions.Width) &&
CompareValues(standardDimension.Height, dimensions.Height) &&
CompareValues(standardDimension.Diameter, dimensions.Diameter)));
}