Chapter 1 Introduction The concept is important. The current paper use within the classroom, it is write a paper noise draws are only a single page, or even the practice of teachers for each course taken and other distribution is becoming a waste, the energy required to process paper. Science project of the group, we learn to make recycled paper 2: from paper and mixed paper, water hyacinth, and make 2 step is episode 1 paper recycling from the paper. Step 2: comparison of performance between paper recycled from used paper and recycled paper from paper and water hyacinth mix. In the paper recycling process will be put on the fabric dye. For beauty and the recycling of paper, maximum benefit. Preliminary results of this study are expected to be able to take paper and recycled. Optimization of the paper.
การแปล กรุณารอสักครู่..