solid engineering solid evidence solid experience solid expertise solid fabric solid facts solid family solid fat solid features solid feed solid feel solid fence solid figures solid financial base solid financial basis solid financial foundation solid financial position solid financial solid floor solid foam solid foods solid food solid footing solid formation solid form solid foundation of knowledge solid foundations solid foundation solid fraction solid framework solid frame solid friendship solid front solid fuel boilers solid fuels solid fuel solid gains solid game solid geometry solid glass solid gold solid granite solid grasp solid green solid grip solid grounding solid groundwork solid ground solid group solid growth solid guarantee solid guy solid handle solid hardwood solid has solid history solid house solid ice solid idea solid image solid impression solid impurities solid income solid increase solid indication solid industrial base solid information solid infrastructure solid ingredients solid ink solid institutions solid insulation solid intelligence solid intel solid international solid investment solid iron solid job solid know-how solid knowledge solid land solid layer solid lead solid legal base solid legal basis solid legal foundation solid legal framework solid level solid light solid lines solid line solid links solid lubricant solid machine solid mahogany solid majority solid mandate solid manure solid maple solid marble solid masonry solid mass solid materials solid material solid matrix solid matter solid meal solid mechanics solid medium solid metal solid mineral solid model solid mounting solid muscle solid name solid network solid oak solid objects solid object solid oil solid opportunity solid organic solid organization solid organ solid outcomes solid oxide solid package solid panel solid particles solid partnership solid partner solid parts solid part solid pattern solid pears solid performance solid phase solid piece solid pillars solid pine solid place solid plan solid plastic solid plate solid platform solid player solid point solid policy solid political solid polymer solid portfolio solid portion solid position solid powder solid preparation solid presence solid principles solid product solid profile solid profit solid programme solid progress solid project solid proof solid propellant solid proposal solid protection solid quality solid radioactive waste solid range solid reality solid reasons solid recommendation solid record solid recovery solid regulatory framework solid relationship solid relations solid reliability solid report solid reputation solid research solid residues solid residue solid results solid rivets solid rocket solid rock solid rods solid roof solid roots solid round solid rubber solid salt solid samples solid savings solid science solid scientific basis solid scientific solid seal