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Friday, 14 October 2011

The Strength of Glass

The glass arrived this morning for glazing the lean to section and already quarter of the roof glazing is in place. I was amazed to see one of the workmen kneeling upon the toughened glass. He was saying that it can easily take the weight and explained how they test the strength of toughened glass by dropping a mini from the height of 30 cm and it will just bounce. I'm sure he was referring to the glass and not a glasshouse structure!

Roof vent gearing and motor

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