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Glass Block Christmas Decoration

Step 3Clean the inside of the block.

Clean the inside of the block.
The inside of the block will have a lot of glass dust inside once you have finished drilling. It will look dirty, don't worry it will come clean. First use a vacuum to get as much of the dust out as possible. There will be a little bit of dust still clinging to the inside of the block. Use a air-compressor to blow air into the hole. CAUTION: do not allow air pressure to build up inside of the block, IT WILL EXPLODE. That is why I do not have a picture of myself using the air-compressor.

Make sure that you have on gloves in this step as the glass dust escaping the little hole will feel like a sand blaster on your hand.
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Author:hlong