This number is found by dividing the number of pounds of iron it can support in fresh water by 32, or is equal to the number of feet in the perimeter, whichever is the less.
Eli nani lifumaneka ngokwahlula inani lee phawundi ze-ayini engayixhasa emanzini ngo32 okanye ilingana neenani leenyawo kubude bomjikelezo nokuba yeyiphi engaphantsi.