are vulnerable in the same way when some softening agents decay the. asked extern brittle. discomfort for iran compares some plastics to chocolate that's relatively soft melts quickly and is easily damaged or you might say ah those are more like breast but it seems a chemical consistency off to baking so it's more stable. contemporary arts two can pose just as much of a challenge so as artist thomas hill sean's double garage for example one of the primary materials he used was cheap and he said. he created the one hundred forty square meter collage shortly after nine eleven the few years that have passed since have left their mark doesn't so much fear is a truths that machine was bent over from its own weight so we straightened it up.