What does the word 'liaise' mean exactly? The word liaise means to work with someone in a professional way. The end benefit should be mutual, and it is normally in a positive spirit to achieve common goals. Edit
The Australian standard covering safety signs regulates the design and use of safety signs. There are seven categories of safety signs identified by colour and shape: Mandatory signs Signs and safety Background Prohibition signs â these are signs that indicate something that you must not do. They are
Safety-valve, which diminishes the risk of explosion, is from 1797; figurative sense recorded from 1818. Safety-net in literal sense (in machinery) by 1916, later of aerial circus performances (1920s); figurative use by 1950. Safety-first as an accident-prevention slogan first recorded 1873.