the graph illustrate four type of material changing throughout period of time. as the chart show plastic has the most sustainable line which show fluctuate changing. Alumininium cans has been in the up trend the most since 1986 and above. glass containers has the down trend from 1982 to 1990 and increasing rapidly in the time of before 1998 and keeping it steadily ever since. paper and cardboard can be seen the most unsustainable growing rate which is crucial for predicting trend from the early 1980 to late 1994 , we can simplize the line which effect by other material which include glass when it accelerate from early 1982 to 1986 and drop slightly right after to late 1990 and repeat the upping trend to late 1994 and go down steadily since then. in conclusion from the begining of early 1982 the chart show unsustainable growth and drop hold until 1990 seem to have more steadily trend last a longer time except paper and cardboard which start to be unfluctal to the end.

English, an International language has showed a significant role in learning field all around the world, it is, which is no need to be debated, is a must learn subject at school. Learning english not only important in workplace , learning place but it also help connect people around the world and suitable for the adaption of intenationalize happening all around the world right now. but it also has a down side since in some vital aspect and show effect a little more clearly in some main crucial city when some student only focus on learning english instead of mother language. some family invest in learning english in an early age which have an overall good effect but some have language problem when kids seem not to regconize their country language but only memorize english. adn the bad side also show in low study career , some study and personally me see some wrong use , which lead to misundestading, have many effect in communicate in workplace and other aspect of life. understanding the important of local language effect many crucial part of life, ensuring the survival of mother language is essential to not only promote the cultural beauty of language but also prevent the negative effect it bring when not remaining it. In overall learning english should be just as important as learning local language to balance between internationalization and prevent cultural beauty.