ความคิดเห็นที่ 8
http://en.wikipedia.org/wiki/Resin_identification_code
1 = > PETE or PET Polyethylene Terephthalate Recycled to produce polyester fibres, thermoformed sheet, strapping, soft drink bottles.
(See also: Recycling of PET Bottles)
2 = > 2-HDPE
HDPE High-Density Polyethylene Recycled to become various bottles, grocery bags, recycling bins, agricultural pipe, base cups, car stops, playground equipment, and plastic lumber.
the rest in the link above ja
จากคุณ :
pikulkeaw (pikulkeaw)  
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6 พ.ค. 49 02:48:35
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