Not only do CFL bulbs give off a significantly higher amount of heat than is emitted from LED lights, but they also contain highly toxic metals such as mercury. While a person can touch a CFL bulb that has been lit for sometime without pulling back abruptly or being burned, they do become hot enough to cause discomfort.
Definition of crush for English Language Learners. : 1  to press or squeeze (something) so hard that it breaks or loses its shape. : 2  to break (something) into a powder or very small pieces by pressing, pounding, or grinding it. : 3  to defeat (a person or group that opposes you) by using a lot of force.
Direct force crush injuries are the most common types of crush injuries. In this case, an object (or objects) applies force and destroys tissue by direct compression. Examples of this include injuries caused by falling objects and blunt trauma distributed over larger areas.