GRANITITE COUNTFEMY NROG RAIG THIAB NTSA

Peb tsis tuaj yeem ua cov khoom lag luam granite tshuab, tab sis kuj tuaj yeem sib dhos cov kev sib dhos thiab pob screws rau granite puag.

Thiab tom qab ntawd muab cov ntawv ceeb toom calibration.