Researchers from Pampanga’s Don Honorio Ventura State University found that spent coffee grounds (SCG) could become an ingredient for concrete blocks. They found that these concrete hollow ...
They found that these concrete hollow blocks (CHB) “exceeded the minimum compressive strength of 4.14 MPs or 600 psi” in the Department of Public Works and Highways’ requirements.
When asked whether it was permissable for the airport to have used concrete -- which experts have flagged as unsafe -- director-general for airport policy Kim Hong-rak said the government would ...
Think about all of the corn stalks, sunflower stalks, waste from annuals, Christmas trees, coconut shells, bean pods, peanut hulls and other such materials that are removed to get the edible or useful ...
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