Methods for the petrographic analysis of coals - Methods of preparing coal samples1 Scope This part of ISO 7404 specifies methods for preparing a polished particulate block from a sample of crushed coal for analysis by reflectance microscopy. These methods can also be applied to the preparation of a polished, embedded lump of coal.

BS EN 60961 defines the electrical and mechanical characteristics of equipment which will provide for interchangeability of recorded cassettes

— family E

Some types of insulating materials are used under high temperatures up to 800 °C

ergonomic characteristics

BS 4873 specifies requirements for the design

Rules for safe handling and use

The occurrence of landslides may increase significantly due to uncontrolled land use development and human interference into unstable slopes

For an operating temperature range from –20 °C to +60 °C

What is BS EN 4165-021 - Coupling system keyway for plug about

— those who use or plan to use ISO/IEC/IEEE 15288 and ISO/IEC/IEEE 12207 on projects dealing with man-made systems

As time progresses it is envisaged that other implementations may come into focus

8 Determination of free CaO