 When you have filled the form to one-third of its height, release the U Bar and the toggle. Remove the form, taking care to keep the weight on the pole, not lifting it, so that the stake remains firmly in the ground.
Reset the U Bar and the toggle. Now move the ICEBOX into position, overlapping the first block on your ramp. On this block, the first shovelful should be thrown against the end of the first block. The existing block becomes a support for the next block. Pack the ICEBOX until it fills two-thirds of the closed end. Repeat the process until the third block of the incline forms a completed end wall for the first full block of the first layer. (See above) From this point, no partial blocks will be required because the end of each fully formed block will serve as the fourth side of the form to contain the next block.
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