A hole cut out of any structural member, as in the web, where very little loss of strength will occur. These holes reduce the weight and in many cases serve as access holes. This condition is particularly true in floor plates and longitudinals in double bottoms.
Umngxuma owenziwe kuyo nayiphi na into, njengakwiwebhu, apho kuncinane kakhulu ukulahleka kwamandla okuthi kwenzeke. Le mingxuma inciphisa ubunzima, isebenze njengeendawo zokungena kwiimeko ezininzi.