prn

Pro re nata (Latin), as the need arises

• safety glass
• safety glasses
• safety lamp
• safety lamps
• safety light
• safety lights
• safety lock
• safety locks
• safetyman
• safety match
• safety matches
• safety net
• safety nets
• safety officer
• safety officers
• safety paper
• safety pin
• safety pins
• safety plug
• safety plugs
• safety razor
• safety razors
• safety rein
• safety reins
• safety shot