The formula for finding the length of strand required, is the sum of twice the length of grommet required and twice the circumference of the wire used.
Ifomula yokufumana umgama womsonto ofunekayo ngumdibaniso womgama ophindwe kabini kwiringi eyenziwe ngemisonto yentambo efunekayo kwaye ephinda isazinge kubini socingo olusetyenzisiweyo.