| Cov ntsiab lus | Round Magnets |
| Muag Cov Ntsiab Lus | Muaj yeeb yuj xaiv, zoo zoo thiab tus neeg muag khoom, tus nqi sib tw |
| Nta | Hloov cov duab, me me rau kev siv yooj yim, ntau xim muaj |
| Kev siv | Sib nqus adsorption |
| Tsis muaj | 30mm, 20mm, 40mm |
| Daim ntawv pov thawj |
