1. The primary flight controls are intrinsically safe . 2. The United States Coast Guard requires that the two way radio must be certified as intrinsically safe . 3. Using intrinsically safe mobile devices and tablets, digital COW can be brought to the front line. 4. The lamp gave out only a weak light though it was intrinsically safe provided it was kept upright. 5. Siemens has adapted an existing bus system called I 2 C to operate in an intrinsically safe mode. 6. Another example is intrinsically safe or explosion-proof mobile phones used in explosive atmospheres, such as refineries. 7. The T-bolt door is intrinsically safe , and the ASME code does not mandate an interlock for it. 8. Intrinsically safe walkie-talkies are often required in heavy industrial settings where the radio may be used around flammable vapors.9. A device termed intrinsically safe is designed to be incapable of producing heat or spark sufficient to ignite an explosive atmosphere. 10. This type is intrinsically safe , since opening the cam-locks under pressure releases the door seal and depressurizes the vessel.