The source materials for the original course did not include lab exercises or assessments.
原来的课程材料不包含实验练习或测验。
Sand metal furniture to prepare for finish and spray with paint or other materials.
用砂纸磨光金属家具，准备用油漆或其他材料光洁和喷雾。
Please refer to the course materials for any specific instructions or recommendations.
请参考课程资料以寻求进一步的指导及建议。
Please refer to the course materials for any specific instructions or recommendations.
请参考课程资料以寻求进一步的指导及建议。
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