Now make a second mark at a distance from the first mark equal to the sum of twice the length of the grommet and twice the size of wire, i.e.
Ngoku yenza uphawu lwesibini kumgama ukusuka kuphawu lokuqala elilingana kumdibaniso ophindwe kabini weringi eyenziwe ngemisonto yentambo kwaye kuphinde kabini isayizi yocingo, umzekelo.