The entire door panel rides effortlessly within a spiraling track with no metal-to-metal contact, and features nylon rollers that are engineered for millions of cycles.
The dum ụzọ panel agba ịnyịnya effortlessly n'ime a agbasa n'ọtụtụ track na-enweghị metal-to-metal na kọntaktị, na atụmatụ naịlọn rollers na-engineered ọtụtụ nde cycles.