Archive file. An archive file is a file that is composed of one or more computer files along with metadata. Archive files are used to collect multiple data files together into a single file for easier portability and storage, or simply to compress files to use less storage space. Archive files often store directory structures, error detection and correction information, arbitrary comments, and sometimes use built-in encryption.
Sevin (tm) Insecticide. Sevin is the trade name for a widely used synthetic insecticide containing the active ingredient carbaryl. Carbaryl belongs to the chemical class called carbamates. As insecticides go Sevin is only moderately toxic to mammals and is still widely used in gardens and landscapes.
If you use liquid Sevin and spray in the evening when bees are back in their nests there is little risk to bees. If you use Sevin powder and spread it during the daytime when bees are active, you are possibly going to poison some bees and they may carry dust back to the nest where it will poison more bees. Sevin powder rates a 1 on the the health rating scale: