with a hlgr. cor.tent of cheap fillers that provide a considerable economy of vii raw material In the manufacture of pipes. sheets. tare, b~lldlng constructions characterized by high specificatl:-ns. A cons>oerable economy of natural fibres and metal Is anticipated from the uti I lzatlon of very strong fibres on the basis of ftexlble-chaln polymers. which are characterized by a 1.5 to 2 fota higher strength. They are uti I lzed today In the capacl:~ of nayblndlng twine, and wll I be used as cord tor tyres. reinforcing elements ,In different constructions. etc. A raise o+ the strength properties of chemical products Is provt'ied also by lrraclatlng thom by means of charged-particle ~ccele·~~ors. It Is planned. In particular, to employ this metho~ ~o Increase the reslsta~ce of cable pr0ducts. Improve the quail i·y ."Jf some types of textile produci:;. A series of programs are aimed at Improving machine-building technn'~Jles In order to lmpr ·ve the uti! izatlc~ of metal. The programs envisage new t\pes o~ :astings, wsld!ng. stamping. and other methods of treat In~ .'ete>! . l.~s:.:-~': ci i0:•:> are developed for emplcyi1g pow<lrful lasers ' wG!dln[ • .... , ·."tlng opratlons. as well c.s for relnforcf:·:;~. rT<c~"al. Pla~ma metilods are highly efflclant as they provide a , ... arp Increase of the cutting speed when prc,·essing large forg:·;. and castlr.Q~• as well as for relnforc;r.g the ~":-face of 'fhe. .:.:---:c~r·<; by surfacing and spraying. IntensIve work is .::~!' r I eo c,.. ··· · r· ~,·ror\.i<"'r,.· r> ~ f tfJ programs for developing wastele$s and low-wasY<' -e~·11nvlog.c··· ;'l chemistry. petrochemistry and oil refining. In f'Errous ao1d non-ferrous metallurgy, in the pulp-and-paper and other lndustr'es with the aim of mosr complete and complex utl I izatlon"of the ~~sic and assocJated c~mponents. and secondary resources. More than 20 state sc:entitlr:-technlcal programs are 