Specification for double-ended open-jawed spanners for B.A. hexagon sizes Ingestion-build-201039 Ergonomic requirements for office work

Ergonomic requirements for office work with visual display terminals (VDTs) - Part 5: Workstation layout and postural requirements

7 Collector identification

for lighting

and welders for the successful delivery of welds into the track

Specification for double-ended open-jawed spanners for B.A. hexagon sizes Ingestion-build-201039 Ergonomic requirements for office workWhat is BS 1842 Double ended open jawed spanners about? This British standard aims to help its users to meet the production requirements for double ended open jawed spanners. BS 1842 relates to spanners having open ended jaws suitable for hexagons in the B. A. (British Association) range as given in BS 57, B. A. bolts, screws, nuts and washers. Details of material and hardness are included together with dimensions and tolerances on the jaw openings.