The definition of symbiosis has varied among scientists. Some believe symbiosis should only refer to persistent mutualisms, while others believe it should apply to any type of persistent biological interaction (i.e. mutualistic, commensalistic, or parasitic).
The Golden Pledge, which is a System Plus Warranty with a 20 year leak guarantee, can pay for itself within the first ten years, sometimes many times over. The System Plus transforms the normal warranty by removing the small print.
A contract of pledge specifies what is owed, the property that shall be used as a pledge, and conditions for satisfying the debt or obligation. In a simple example, John asks to borrow $500 from Mary. Mary decides first that John will have to pledge his stereo as security that he will repay the debt by a specific time.In law John is called the pledgor, and Mary the pledgee. The stereo is referred to as pledged property.n a simple example, John asks to borrow $500 from Mary. Mary decides first that John will have to pledge his stereo as security that he will repay the debt by a specific time. In law John is called the pledgor, and Mary the pledgee. The stereo is referred to as pledged property.