Healthy immune system and kidneys. Other important tasks of this non-essential amino acid are the support of the immune system and prevention of kidney stones. These can be produced by the body as a result of insoluble toxic compounds, which L-alanine is able to chemically neutralise.
Difference between Chromebook and Laptop. Main difference between a laptop and a Chromebook is that, while laptop is a portable personal computer Chromebook is a device that is optimized to provide the user with a better web experience. Chromebooks use the Chrome OS that is specially built for web applications while laptops use a wide range of Operating Systems.
In addition to laptop models, a desktop version, called a Chromebox, was introduced in May 2012, and an  all-in-one  device was introduced in January 2014, by LG Electronics. Chromebooks are primarily sold both directly from Google and from the company's retail partners.