1. Manage the cleanliness, tidiness, storage conditions, security and safety of the warehouse. ����ֿ�ı��ܡ���ȫ����֤��������IJִ�������
2. The objective of sand reclamation is make good casting, not to reclaim sand to a given level of cleanliness. ɰ������Ŀ����������ɰ�������������������ǽ�ɰ������ָ���ĸɾ��̶ȡ�
3. Keep clean. Here we mean personal cleanliness, cleanliness in the home and at work place, and a clean surrounding. ������ࡣ��������˵���Ǹ�����࣬���м������ص�����ͻ�����ࡣ
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n.
1. the habit of keeping free of superficial imperfections
2. diligence in keeping clean