What does "cap-sensitive" mean in relation to explosives?

The term "cap-sensitive" relates specifically to explosives that require a particular type of initiator, often referred to as a "cap" or detonator, to achieve detonation. This sensitivity indicates that the explosive material does not initiate detonation under general conditions or from just any form of initiation, but rather needs a precise, more energetic source of ignition, such as a detonator or shock wave from another explosive.

This characteristic is crucial in explosives handling and safety management because it informs safety protocols and methods of initiation during operations. Understanding this sensitivity allows safety professionals to manage storage, transportation, and usage of these explosives appropriately to prevent accidental detonation.

The other options reference different properties or characteristics of explosives that do not align with the definition of "cap-sensitive." For instance, explosives that are not affected by physical impact, can be detonated remotely, or those sensitive to temperature changes do not specifically encompass the need for a particular initiator, which is fundamental to the meaning of "cap-sensitive."