$33.$ b. False
$\to$ Từ câu: Clay is collected from the river only once a year, each lasting for half a month
$34.$ a. True
$\to$ Từ câu: From this step, silky clay block initially gradually forms a smooth rounded hollow blocks, then the formation of flower vases, or water pots
$35.$ a. True
$\to$ Từ câu: Currently, people in Bau Truc pottery village still make pottery items in the traditional way
$36.$ a. True
$\to$ Từ câu: The potters shape their products by skillful hands and feet around a pole-round pillar, rather than on the wheel
$37.$ b. False
$\to$ Từ câu: The potters shape their products by skillful hands and feet around a pole-round pillar, rather than on the wheel
$38.$ a. True
$\to$ Từ câu: Bau Truc's craftsmen use wet cloths to make the product surface smooth
$39.$ a. True
$\to$ Từ câu: From this step, silky clay block initially gradually forms a smooth rounded hollow blocks, then the formation of flower vases, or water pots
$40.$ a. True
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