Using the website
The site includes keyboard navigation, visible focus indicators, labelled controls, image descriptions and reduced-motion support. You can pause the homepage slideshow, enlarge product photographs and view the site in 11 languages. Arabic and Hebrew use right-to-left layouts.
Documents and alternatives
Some original certificates and drawings are scanned documents and may be difficult to use with assistive technology. Contact us with the model or document reference and the information or format you need. We can discuss an accessible way to provide the relevant details.
Report a difficulty
Email [email protected] with the page URL, a description of the difficulty and, if useful, your browser or assistive technology. Please avoid sensitive personal details. We use this feedback to investigate issues; this statement does not claim an independently certified accessibility standard.