If large cement boxes are being constructed over the inside of temporary patches to provide additional strength for long sea passages, or against damaged bulkheads for stiffening them, additional reinforcing with odd sections of steel will greatly add to their strength.
Ukuba iibhokisi ezinkulu zesamente ziyenziwa kumphakathi wezivalo zexeshana ukunika amandla awongezelelweyo kwihambo ezinde zaselwandle, okanye ngokuchasene namacandelo enqanaweni angangeni manzi amoshakeleyo ekuwaqiniseni, ukomelezwa okongezelelweyo namacandelo amnqakathi entsimbi ayokongeza kakhulu kumandla awo.