in a workplace, make sure there is a way to detect fires (like smoke or heat alarms, or, for larger premises, a full automatic alarm system) and that this raises an alarm to alert everyone to evacuate
mewn gweithle, sicrhau bod ffordd o ganfod tanau (fel larymau mwg neu wres, neu, ar gyfer mangreoedd mwy o faint, system larwm awtomatig lawn) a bod hyn yn seinio'r rhybudd i bawb adael yr adeilad