China na-edu ọkụ brik na-apụ apụ n’èzí

China ada n’èzí ìhè brik recessed, e nwere ụdị square ụdị retangular, okirikiri ụdị.

anyị bụ ndị China rụpụtara maka LED n’èzí recessed brik, àgwà ngwaahịa a pụrụ ịdabere na ya na ọnụ ahịa ọnụ.