Answer:
Resources and money
Explanation:
In the past women were interested in finding men that were able to maintain the family by their ability to hunt, defend, protect and provide shelter. This grass roots method for being a fit partner for long term has been replaced by the ability to make money and the prospects of having renewable income. This tells the woman that this man is able to afford the basic necessities of life for her and any future offspring.
The only time that both hand valves of a manifold gauge set should be open at the same time is during system charging.
To diagnose and repair cooling or refrigeration systems, manifold gauge sets—also called HVAC gauges or refrigeration gauges—are frequently employed. They measure low- and high-refrigerant pressure using mechanical or digital gauges to identify issues like leaks or to help with system evacuation and recharge.
In manufacturing and engineering, a gauge, usually spelled gauge, is a tool used to assess if one dimension is larger or smaller than another that is used as a reference standard.
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It makes it harder for the air to get down to the lungs.