6 x 9 32 July 8, 2019 16 32 64 128 6 7 32 9 x 6 x 9 5 32 6 32 x 9 16 16 9 x 6 32 9 7 5 (( 212 32 x 6 9 9 32 x 6 drill bit 6 9 x 3 (6 x 32) รท 9 =
