. ▁This ▁increased ▁the ▁length ▁of ▁the ▁mach in ery ▁spaces ▁by ▁ ▁and ▁the ▁water line ▁bel t ▁arm or ▁needed ▁to ▁protect ▁the ▁bo ilers ▁increased ▁by ▁a ▁length ▁of ▁. ▁The ▁extra ▁weight ▁of ▁the ▁arm or ▁required ▁the ▁beam ▁to ▁be ▁increased ▁by ▁ ▁to ▁preserve ▁stability . ▁All ▁of ▁these ▁changes ▁made ▁the ▁ships ▁more ▁expensive ▁than ▁their ▁prede cess ors . ▁ ▁Cit ations ▁ ▁Bibli ography ▁ ▁Category : N aval ▁architecture <0x0A> </s> ▁Ch ore ut is ▁ir rid ens ▁is ▁a ▁species ▁of ▁moth ▁of ▁the ▁family ▁Ch ore ut idae . ▁It ▁is ▁found ▁in ▁Moz amb ique . ▁ ▁The ▁wings pan ▁is ▁about ▁ 1 0   mm . ▁The ▁for ew ings ▁are ▁dark ▁fus c ous , ▁partially ▁mixed ▁with ▁re dd ish - b rown ▁and ▁slightly ▁spr ink led ▁with ▁wh it ish , ▁the ▁ap ical ▁two - fif th s ▁of ▁the ▁costa ▁and ▁upper ▁two - third s ▁of ▁the ▁term en ▁suff used ▁with ▁re dd ish - b rown . ▁There ▁are ▁two ▁ind ist inct ▁trans verse ▁lines ▁of ▁wh it ish ▁ir ror ation ▁from ▁white ▁d ots ▁on ▁the ▁costa , ▁the ▁first ▁at ▁one - third , ▁straight , ▁the ▁second ▁sin uate - ob lique ▁from ▁the ▁costa ▁at ▁three - fif th s , ▁ab rupt ly ▁ang ulated ▁at ▁one - third , ▁then ▁thr ice ▁z ig z ag ▁to ▁the ▁d ors um