1. The tools of the trade are unbelievably primitive: a long, heavy metal tube for blowing, callipers, a pair of huge tweezers and cold water. ���õ���ҵ������ԭʼ��һ֧�ֳ����صĽ������ܣ���ǯ������һ�Ѿ�����ӣ������ˮ��
2. The tools of the trade are unbelievably primitive:a long, heavy metal tube for blowing, callipers, a pair of huge tweezers and cold water. ���õ���ҵ������ԭʼ��һ֧�ֳ����صĽ������ܣ���ǯ������һ�Ѿ�����ӣ������ˮ��
3. On ornamental boxes everything is also in pairs: a pair of birds, a pair of deer, a pair of ibexes. ����Щװ�κ��ϣ�ÿ������Ҳ���dz�˫�ɶԵģ�һ����һ��¹��һ��Ұɽ��
4. Two types of twisted-pair cable are shielded twisted-pair (STP) and unshielded twisted pair (UTP). ˫�������ߵĶ��������ڱ�˫���ߣ�STP�������ڱ�˫���ߣ�UTP����
5. Two types of twisted-pair cable are shielded twisted-pair (STP) and unshielded twisted pair (UTP). ˫�������ߵĶ��������ڱ�˫���ߣ�STP�������ڱ�˫���ߣ�UTP����