All of these glands produce saliva and secrete it into the mouth cavity via the salivary gland. This accounts for the majority of the saliva in the mouth. Many smaller accessory glands in the lining of the mouth and tongue also contribute moderate quantities of saliva into the mouth.
Letters of recommendation is commonly written for employment purpose. These types of letters are usually written by a candidateâs senior or colleague, detailing his role in the organization, his professional qualification, and personal attributes.
As this site also explains, a recommendation letter is more specifically related to skills and qualifications of a person with respect to a definite position/program, whereas a reference letter is usually more general in nature and refers more to the overall character of a person.