Ergonomics of human-system interaction - Design criteria for physical input devices1 Scope This part of ISO 9241 specifies criteria based on ergonomics factors for the design of physical input devices for interactive systems including keyboards, mice, pucks, joysticks, trackballs, trackpads, tablets and overlays, touch sensitive screens, styli and light pens, and voice and gesture controlled devices. It gives guidance on the design of these devices, taking into consideration the capabilities and limitations of users, and specifies

Why should you use BS EN 4400‑2- Specifications of aluminium and aluminium alloy sheet and strip

Note: Manufactured stone masonry units according to BS EN 771-5 are not covered

This allows the properties of a composite

BS 4993-1 provides you with reagents and apparatus required for the procedure of determination of fluorine

It sets out to help ensure operational systems are effective at managing risk and help reduce the likelihood of incidents

Tele-Communication sector

b) sequential analysis (investigation of the flow of transactions)

brake fluids

• resistance to brittle fracture

including rescue

process and fluid flow diagrams

BS 4973-1 specifies requirements for nonwoven sew-in interlinings for uniform clothing