A reading above 50 means the sector is growing.
One high reading does not mean you have high blood pressure.
In any case we never learn what reading and not reading really means to her.
Then ask someone to explain to you what reading between the lines means.
A reading of under 50 percent means that the manufacturing sector is not expanding.
A reading of 50 or more means the sector is expanding.
A reading below 50 means the manufacturing sector is contracting.
A high reading means that the flow of current is either impaired or interrupted.
A reading below 50 generally means the manufacturing economy is deteriorating.
A low reading meant that a company imposed few restrictions.