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Learn the welding parameters, quality grades, and acceptance criteria for overhead and gantry crane steel structures under GB/T 30026-2013, covering WPQR, UT/RT inspectio

Learn about GB/T 25122.5-2010, the Chinese standard for electrical equipment on overhead and gantry cranes, covering safety protection, control systems, and power supply

Learn the GB/T 20303.2-2006 standard for mobile crane operator cabs and control cabins, covering design requirements, visibility, access, and safety facilities for crawle

Understand ISO 8686 design principles for tower crane loads and load combinations, covering working-state wind load, rated load, and load spectrum for structural design.

Learn the control device arrangement requirements for mobile cranes under GB/T 24817.2-2009, covering operating direction consistency, lever layout, and safety standards

Learn the GB/T 30025-2013 standard for crane steel structure manufacturing, inspection, and acceptance. Covers welding quality, dimensional tolerances, and testing requir

Understand the GB/T 25122.1-2010 standard for electrical equipment on lifting appliances, covering core requirements, safety inspection, and acceptance standards for gant

Learn the key requirements of GB/T 20303.1-2006 for crane operator cabs, covering minimum internal dimensions, field of vision, and environmental conditions for overhead

Understand the load and load combination requirements for mobile cranes under GB/T 22437.2-2010, covering load cases, dynamic coefficients, and structural strength verifi

Learn the general principles and operating characteristics for crane control device arrangement per GB/T 24817.1-2009, covering layout rules for operator efficiency and s