An onionskin-likestructure of concentric dust shells surround a central, aging star.Twin beams of light radiate from the star and illuminate the usuallyinvisible dust.
It penetrates effectively and improves the cells to form transparent hydrated retia, directly provides skin with abundant nutrition and moisturizes the deep skin.
In this paper,methods for producing highbasis weight tracing paper and commonly adopted transparentizing agents are presented,and suggestions on producing high basis weight tracing paper are advanced.