not with chemistry...a strong enough acid devolves aka softens everything but rubber..the carved wooden molds were rubber lined...you always wear rubber gloves when dealing with acid...then the alkaloid plant mixture is added to refreeze the solution back into solid form...camel hairs have been found in the center of the Giza blocks...the rubber used came from south america...you think rubber balls for a game is the only thing rubber was used for? roflmao as sheeple buy into the official stories without thinking...