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some of these metal elements are very toxic, especially if they are present in sufficient quantities.
certains de ces éléments métalliques sont très toxiques surtout s’ils sont présents en quantités importantes.

if the measures referred to in subparagraph ( a ) are exhausted or if they are inefficient , the participant may request support from the ecb .
if the measures referred to in subparagraph ( a ) are exhausted or if they are inefficient , the participant may request support from the ecb .

( c ) if the measures referred to in subparagraph ( a ) are exhausted or if they are inefficient , the participant may request support from the ecb .
( c ) if the measures referred to in subparagraph ( a ) are exhausted or if they are inefficient , the participant may request support from the ecb .

(16) public loans must be regarded to benefit undertakings if they are decided upon in circumstances which would not be acceptable to a private investor acting under normal market-economy principles.
(16) public loans must be regarded to benefit undertakings if they are decided upon in circumstances which would not be acceptable to a private investor acting under normal market-economy principles.

14.2 supplier's goods must remain competitive on price, technology, complexity of products, design or quality assurance and in meeting environmental/energy demands, if they are to survive.
14.2 supplier’s goods must remain competitive on price, technology, complexity of products, design or quality assurance and in meeting environmental/energy demands, if they are to survive.