[lemma=method] [□] □
[lemma=method] [!□] □
[lemma=method] [□ | □] □
Each mailpiece sent under this method must bear a permit imprint indicia showing that postage is paid . The trial and error method can work only on combinations of relatively few elements ; otherwise the number of possible combination becomes so huge that there is no chance to find the needle of a stable configuration in this bundle of hay . Itec has been able to commercialize the ECO2 recycling method and start up a promising new company that has captured the interest of both the plastics industry and environmental waste management organizations . While harm reduction methods can set an American 's ethical compass tumbling , so can the increasingly skewed casualty figures from this country 's own war on drugs . Some private methods might depart from this .