Yas hoses uas peb txhua tus paub txog
When it comes to this plastic, each of us is familiar with it, from children's toys to this large instrument container, from our computer casings and parts of cars, parts of daily toothbrushes, etc., plastic hose tubes, plastic Products can be said to be everywhere in our lives. But few people know what kind of material it is and why it is called plastic. Today, let us learn about this thing, an indispensable material in our lives. Plastic means molding. Moldable means that it has plasticity. As it is often used, there is the word plastic. The original meaning of the word "plastic" refers to the use of soil to form a human figure, and plasticity is also extended to mean that it can be freely formed. Plastic roughly means that this is also a material with plasticity.
Txoj kev loj hlob ntawm ib qho kev lag luam hauv kev lag luam yog qhov tseem ceeb heev, xws li kev txhim kho ntawm kev lag luam yas hose. Txhawm rau nthuav dav kev thov hauv tsev rau kev noj, kev lag luam yas hose tau dhau los ua qhov chaw ci ntsa iab tshiab, thiab kev tsim kho yav tom ntej kuj zoo heev. Hauv kev lag luam loj ntawm Tuam Tshoj, thiab cov kev cai zoo tau coj qhov tseem ceeb tshiab rau kev txhim kho ntawm qee qhov kev lag luam, thiab cov txiaj ntsig kev sib raug zoo coj los ntawm lawv kuj tseem loj heev. Nws tuaj yeem pom los ntawm qee qhov kev lag luam uas kev lag luam yuav dhau los ua lub hom phiaj tseem ceeb thiab kev coj ua ntawm lawv txoj kev loj hlob, thiab qhov kev thov muaj zog rau cov khoom lag luam los ntawm cov neeg siv khoom kuj yog lub sijhawm zoo tshaj plaws los txhim kho nrog kev txiav txim siab.
