▁and ▁steel ▁indust ries . ▁ ▁D ivers ification ▁Before ▁World ▁War ▁II ▁they ▁had ▁started ▁building ▁exc av ators ▁under ▁lic ence ▁from ▁the ▁American ▁manufact urer ▁K oe hr ing ▁and ▁sold ▁them ▁under ▁the ▁N CK ▁brand ▁name . ▁In ▁ 1 9 5 8 , ▁the ▁company ▁acquired ▁R ans om es ▁& ▁Rap ier ▁to ▁become ▁a ▁major ▁producer ▁of ▁exc av ators , ▁drag lines ▁and ▁other ▁construction ▁equipment . ▁A ▁new ▁subs idi ary ▁company ▁N CK - R ap ier ▁was ▁formed , ▁with ▁production ▁moving ▁to ▁I ps wich . ▁ ▁In ▁ 1 9 6 0 , ▁the ▁company ▁acquired ▁Ron uk ▁Ltd , ▁a ▁manufact urer ▁of ▁w ax ▁pol ishes ▁and ▁wood ▁st ains ▁based ▁in ▁Port s lade , ▁Bright on ▁and ▁with ▁it ▁the ▁Ron se al ▁brand ▁name . ▁▁ ▁The ▁group ▁also ▁set ▁up ▁Red f y re ▁as ▁a ▁market ing ▁company ▁for ▁coal - burn ing ▁gr ates ▁which ▁were ▁made ▁in ▁its ▁found ry . ▁Ch anges , ▁in ▁particular ▁the ▁C lean ▁Air ▁Act ▁saw ▁the ▁company ▁move ▁into ▁light ▁fabric ations ▁and ▁oil - f ired ▁central ▁he ating ▁equipment , ▁however , ▁the ▁oil - f ired ▁bo iler ▁market ▁col lapsed ▁in ▁aut umn ▁ 1 9 7 3 ▁with ▁the ▁increase ▁in ▁prices . ▁▁ ▁In ▁ 1 9 7 2 ▁the ▁group ▁was ▁taken ▁over ▁by ▁industrial ▁holding ▁company ▁Central ▁& ▁She er wood . ▁Central ▁& ▁She