11. For some products, inner plastic liners or bin bags are used to protect the contents. 12. Some say the plastic liner in the hole is leaking, an assertion denied by Nelson. 13. With the pipe segments coupled at last, it's time to slide in the plastic liner segments. 14. Three years later, Coleman developed a process to make a plastic liner for coolers and jugs. 15. A number of technologies, including clay and plastic liners were used to contain the smell and leachate. 16. Those have foam with a plastic liner . 17. Sioux leaders began objecting the following summer, saying the landfill design needed to add a plastic liner . 18. A dielectric union breaks the electrical path with a plastic liner between its halves, limiting galvanic corrosion. 19. The original liners degraded quickly in high humidity environments and were eventually replaced by constantly evolving plastic liners . 20. While it's true plastic is not biodegradable, federal guidelines require landfills to be sealed by a plastic liner .