閱讀下圖，回答下列問題： 
1、此件長、寬、高的最大尺寸是多少？
2、此圖尺寸是公制還是英制？根據(jù)何在？
3、哪一個尺寸要求最精確？
4、哪一部分有位置公差要求？
5、此圖屬第幾角投影？根據(jù)何在？

請翻譯下方英語段落。
Jay：Is this a bench？
Tommy：Yes，it is.
Jay：What’s that？
Tommy：That is a vice.
Tommy：This is a file and that is a workpiece？
Jay：Oh，I see.
Jay：How many workers are there in your workshop？
Tommy：There are nine.
Jay：Are they all turners？
Tommy：No，seven of them are turners and two locksmiths.
Jay：So no one can operate the milling machine.
Tommy：No. Six of the turners can operate it.
Jay：Is there any woman？
Tommy：There are eight women. Five are workers. Others are managers.

請翻譯下段英文。
Jay：How many machine tools are there in your factory？
Tommy：Ten.
Jay：What kind of machine tools are they？
Tommy：There are four lathes，three milling machines，two shapers and one drilling machine.
Jay：How many workers are there in your workshop？
Tommy：There are nine.
Jay：Are they all turners？
Tommy：No，seven of them are turners and two locksmiths.
Jay：So no one can operate the milling machine.
Tommy：No. Six of them are turners can operate it.
Jay：Is there any woman？
Tommy：There are eight women. Five are workers. Others are managers.