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Have Trowel, Do travel
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now that is cool,
 

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What is that open-ended block called and what are they used for? I suppose one could just knock the end off a block as well.
 

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What is that open-ended block called and what are they used for? I suppose one could just knock the end off a block as well.



They look like a variation of what our local producers call knock out block. Their purpose is to lay around vertical rebar without having to thread the block over the standing bars.
 

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rocket stoves are impressive I have wanted to build one to play with but I honestly don't have the time or ambition to do it by the time I get home from work. Maybe I will find some time over the winter.
 

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I played around with rocket stoves 5 years ago. every barbeque should have one next to it. I used to cook breakfast on it every day with twigs i would pick from the lawn each morning. amazing technology, same as we used in WWII to run farm machinery with firewood.

When i get around to a pizza oven I might heat it with rocket stove under it.

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