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ANSI Z80.5-2004 pdf download Ophthalmics – Requirements for Ophthalmic Frames 1 Scope and Purpose 1.1 Scope This standard shall apply to the manufacture of all frames intended for street wear as ophthalmic eyewear with prescription lenses, excluding...

ANSI Z80.28-2004 pdf download Methods of Reporting Optical Aberrations of Eyes 3.4 Wavefront error – W(x,y) or W(r, θ ) The wavefront error of an eye is the optical path-length (i.e., physical distance times refractive index) between...

ANSI Z135-2004 pdf download Personal Transport Vehicles – Safety and Performance Specifications 1 Scope and purpose 1.1 Scope This standard provides safety and performance specifications relating to personal transport vehicles, (PTVs), powered by self-contained power sources to...

ANSI Z245.5-2004 pdf download Equipment Technology and Operations for Wastes and Recyclable Materials –- Baling Equipment – Safety Requirements for Installation, Maintenance, Modification, Repair and Operation 1. Scope 1.1 This standard revises safety requirements with respect to...

ANSI Z245.21-2004 pdf download Equipment Technology and Operations for Wastes and Recyclable Materials --- Stationary Compactors – Safety Requirements 1 Scope 1.1 This standard revises requirements to minimize the risk of fire, electrical shock and injury to...

ANSI Z245.41-2004 pdf download Equipment Technology and Operations for Wastes and Recyclable Materials --- Facilities for the Processing of Commingled Recyclable Materials – Safety Requirements 1.1 Scope This American National Standard is applicable to all persons who...

ANSI Z245.51-2004 pdf download Equipment Technology and Operations for Wastes and Recyclable Materials –- Baling Equipment – Safety Requirements 1 Scope 1.1 This standard establishes requirements to minimize the risk of fire, electrical shock and injury to...

CSA AM ANSI Z21.84B-2004 pdf download American National Standard For Manually Lighted, Natural Gas Decorative Gas Appliances For Installation In Solid-Fuel Burning Fireplaces 1.15 Instructions 1.15.1 Each appliance shall be accompanied by printed instructions and diagrams adequate...

CSA ANSI Z83.4A-2004 pdf download American National Standard/ CSA Standard For Non-Recirculating Direct Gas-Fired Industrial Air Heaters ANSI Z83.4a-2004 CSA 3.7a-2004 Part I: Construction 1.14 Automatic Valves and Safety Shutoff Valves 1.14.3 All gas to the main...

IEEE Std ANSI-C63.22-2004 pdf download American National Standard Guide for Automated Electromagnetic Interference Measurements The transducer and signal conditioning section of the system consists of all elements that are placed in front of the input connector of...