Sib sib zog nqus daim duab tiv thaiv

Sib sib zog nqus nqus zaj duab xis tiv thaiv:
Nrog rau siab extensibility, nws muaj peev xwm zam cov khoom nto puas thaum sib sib zog nqus nqus hlau phaj
Peeling zog: siab adhesion