Zilch, to No effort is always safest.
To calculate the safe working load of a ship's bollard, you need the working stress and the force applied. These two will help you compute the safe working load.
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Are Working Girls Safe - 1918 was released on: USA: 1918
Doing an assessment on safe working practices, [electrical]
How to label machines and equipment to create a safe working environment
how to support others to understand and follow safe working practice
90% safe in metros & 95% safe in small cities
the safe working load is the load the stand can support safely without failure. It Is called safe because it can generally stand up to five times the safe load but one should not intentionally exceed the safe load. Safe load is also called working load or rated load
Osha's purpose is NOT to provide safe and healthy working conditions. It's mission is "to assure safe and healthful working conditions for working men and women by setting and enforcing standards and by providing training, outreach, education and assistance."
What is the maximum sound level is safe for human ear
All working conditions are potentially hazardous unless workers make them safe.
Forget the pills. Cut your calorie intake to a safe level. Begin working out. I would suggest lifting weights. Read the ingredients in the foods you are eating. And stop looking for the easy way out.