This is simply because one can not keep up with the powered CEB machine’s demand for dirt, so one person can make only 1/2 brick per minute on average on a continuous, 8-hour day basis if one has to shovel buckets of dirt manually. … That ’s a whole major piece of additional edquipment, so why not just increase the hopper size and load with a tractor, which is already part of the equipment base? We are now going to the tractor-loaded version with a large hopper for the …

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