The second edition of the Utility Manual is published in 2016. The "Utility Tool Manual" introduces common hand tools, fitter tools, power tools, pneumatic tools, lifting and hydraulic tools, cutting tools, measuring tools, welding And practical knowledge of the varieties, specifications, performance, and uses of 11 categories of tool products such as spray tools, explosion-proof tools, civil and garden tools, and other tools, and basic information related to tool products, including standard codes, common symbols, and measurement Units and their conversions, main material values and common formulas, common knowledge of metal materials, threads and fasteners, etc.
Chapter 1 Standard Codes, Chemical Element Symbols, Units of Measure and Conversion
1. Standard code (1) China's national standard, industry standard, professional standard and ministry standard code (2) China's local standard code and regional enterprise standard code numerator (3) Common international standards and foreign standard codes
2. Chemical element symbol
3． Legal units of measurement in China (1) Contents of legal units of measurement in China (2) Basic units of the International System of Units (SI) (3) Subsidiary units of the International System of Units (SI) (4) Special names in the International System of Units (SI) The derived unit (5) of China's legal unit of measure (6) which can be used in conjunction with the International System of Units (SI) unit is used to form the prefix of decimal multiples and fractional units
4． Length units and their conversions (1) Statutory length units (2) Municipal length units (3) Imperial length units (4) Length unit conversions (5) Fractions, decimals, customary names and their comparison with millimeters (6) inches Contrast with millimeters (7) Contrast with millimeters and inches (8) Contrast with common gauge numbers and wire diameters (inches, millimeters)
5． Area units and their conversion (1) Statutory area units (2) Municipal area units (3) Imperial area units ...
Chapter 2 Numerical values of main materials and common formulas Chapter 3 General knowledge of metal materials, threads and fasteners Chapter 4 Hand tools Chapter 5 Fitter tools Chapter 6 Power tools Chapter 7 Pneumatic tools Chapter 8 Lifting and hydraulic tools Chapter Chapter 9 Cutting tools Chapter 10 Measuring tools Chapter 11 Welding and spraying tools Chapter 12 Explosion-proof tools Chapter 13 Civil and garden tools Chapter 14 Other tools