Glass packaging. Screw finishes. Depressed threads1 Scope This European Standard specifies the profiles of thread for all the screw neck finishes for metallic, plastic and metallo plastic closures. The depressed threads could be used on continuous thread finishes to reduce the thread depth at and adjacent to the mould parting line. Depressed threads are only used on 28 mm Roll On Pilferproof (ROPP) type finishes where the closure is formed on the neck finish.

7 helps in increasing the life of adhesives at different climatic conditions

by assessing the lead content in textile

What is standard BS 7430 - Protective earthing of electrical installations about

Water for analytical laboratory use - Specification and test methods

Requirements for ventilators intended for anaesthetic applications are given in prEN 740

This European Standard specifies technical safety requirements and measures for all types and sizes of mobile elevating work platforms (MEWP) intended to move persons to working positions where they are carrying out work from the work platform (WP) with the intention that persons get on and off the work platform at one defined access position

garments and other made-up textile articles which are subjected to appropriate combinations of domestic washing and drying procedures

these should be as specified by the purchaser

are mapped onto an SDI video field for transmission

The systems are operated by

Vacuum pump manufacturers

b) electrical resistance (metal and alloy elements)