Data Sheets Safety data sheets General information Communication materials Certificates Videos Search Keyword search Search World of colours ». CHS Group UK, Blake House, 18 Blake Street, YORK, YO1 8QH EMMA CARTMELL ?? ??T:??01904 406325 ??M:??07512 365822 ?? ??E: ?? ????www. " Under the new scheme, staff at Senshi, who were nominated for a Herald Digital Business Award in 2015, take five minute screen breaks every 45 minutes and take a 30 minute lunch.