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During the nineteenth century, Factory workers had it quite hard. The conditions were unbearable and are very dangerous. With dangerous vapor zooming around filling their lungs with dangerous chemicals. The eqiupment was most of the time dangerous and broken, which usally led to deaths.
The fundamental modernization of ribbed groin vaults in Gothic cathedrals was to accommodate stained glass window. The ribbed groin vault is the connection of two or three barrel vaults yields a rib vault or ribbed vault when they are bordered with an armature of piped masonry often engraved in decorative patterns and associate groin vault is an older custom of vault structure.
