KHMER SAMPEAH The Khmer show of salutation or mutual recognition is to raise both hands, join palm to palm, like the lotus. -KHMER SAMPEAH Chest height People of the equal age or friend or rank ought to respect each other by placing the budding lotus hands at the chest. -KHMER SAMPEAH MOUTH height A younger person or lower in rank ought to respect an older person or higher in rank by placing the budding lotus hands at the mouth. -KHMER SAMPEAH NOSE height Children and grandchildren or students to respect their parents and grandparents or teacher by placing the budding lotus hands at the nose. EYEBROW For the worship of monks, the sacred object worships the King.
Summary 
 1-Chest height: For peers or friends 
 2-Mouth height: older than the rank or boss 
 3-Nose height: Parents, grandparents or teachers 
 4-Eyebrow height: King, monk or relic 
 5-The height of the eyebrows: Deva, Indra, Brahma or praying.