Guangzhou ahịa ahaziri ngwaahịa
Nhazi usoro: akwa na-enweghị akwa, hydrogel, ihe nkiri anụ ụlọ.
Njirimara ihe owuwu: Ọ na-ewepụta ọkara ịkpụ obere diski, nke mara mma.
A na-etinye ihe ndị na-arụ ọrụ na hydrogel wee wepụta ya nwayọ, nke nwere ike nweta enyemaka mgbu ogologo oge.