Coal cleaning equipment. Performance evaluation1 Scope This International Standard describes the principles and methods for evaluating the performance of equipment used for cleaning operations. Testing and sampling procedures are specified and methods of presenting test results are detailed. Performance parameters are recommended and defined and their determination is formulated, thereby allowing their use in evaluating, comparing and predicting performance levels of cleaning operations. This

BS EN 13225 13747 on precast concrete products is useful for:

automatic double-pole change-over contactors for low voltages up to 250 V employed in conjunction with storage batteries or other alternative source of supply

so that incidents of product failures such air leakages are minimized

Critical societal infrastructure or services are increasingly privately managed or owned

and constructing below ground structures

BS IEC 62629‑12‑2 helps in measuring the standard motion-blur which helps in improving the image quality of the 3D display devices

irrespective of the nature of their control

This European standard gives the most up-to-date guidelines and recommendations covering the technical use of anchors grouted into the ground which are stressed and tested

What is BS 3998 - Tree work about

or using a combination of these materials

Manufacturers of concrete

A clinical thermometer is used for measuring body temperature that has a constriction in the tube above the bulb preventing movements of the column of liquid downward once it has reached its maximum temperature so that it continues to indicate the maximum temperature until the liquid is shaken back down into the bulb