machinery; safety distances to prevent danger zones from being reached by the upper limbs EN 298: Automatic gas burner control systems for gas burners and gas burning appliances with or without fans EN 301 549: European standard for digital accessibility EN 336: Structural timber — Sizes, permitted deviations EN 338: Structural timber — Strength classes EN 341: Personal protective equipment against falls from a height. Descender devices EN 352-2: Revised 2002 standards on hearing protectors. Safety requirements and testing, generally about earplugs. EN 353-1: Personal protective equipment against falls from a height. Guided type fall arresters including a rigid anchor EN 353-2: Personal protective equipment against falls from a height. Guided type fall arresters including a flexible anchor line EN 354: Personal protective equipment against falls from a height. Lanyards EN 355: Personal protective equipment against falls from a height. Energy absorbers EN 358: Personal protective equipment for work positioning and prevention of falls from a height. Belts for work positioning and restraint and work positioning lanyards EN 360: Personal protective equipment against falls from a height. Retractable type fall arresters EN 361: Personal protective equipment against falls from a height. Full body harnesses EN 362: Personal protective equipment against falls from a height. Connectors EN 363: Personal protective equipment against falls from a height. Fall arrest systems EN 374: Protective gloves against chemicals and micro-organisms EN 381: Protective clothing for chainsaw users, e.g. trousers, jackets, gloves, boots/gaiters. EN 386: Glued laminated timber - Performance requirements and minimum production requirements EN 388: Protective gloves against mechanical risks EN 390: Glued laminated timber. Sizes. Permissible deviations EN 391: Glued laminated timber - Delamination tests of glue lines EN 392: Glued laminated timber - Shear test of glue lines EN 397: Specification for industrial safety helmets EN 403: Respiratory protective devices for self-rescue. Filtering devices with hood for escape from fire. Requirements, testing, marking. EN 408: Structural timber and glued laminated timber — Determination of some physical and mechanical properties EN 417: Non-refillable metallic cartridges for liquefied petroleum gases EN 420: Protective gloves. General requirements and test methods EN 438: Decorative high-pressure laminates (HPL) sheets based on thermosetting resins. EN 440: "Welding consumables wire electrodes and deposits for gas shielded metal arc welding of non-alloy and fine grain steel - Classification" (1994) EN 450: Fly ash for concrete - Definitions, requirements and quality control EN 474: Earth-moving Machinery. Safety. General Requirements EN