Employees often make simple mistakes like clicking on a foreign attachment or a link with a strange URL, which allows hackers to access a company's information.

For the content of record, see the Table of Basic Conditions of Chinese-foreign Joint Venture Projects within the Railway System (Attachment I).

The attachment of 3f8 to a neuroblastoma cell signals the patient's own immune system (e. g. the white blood cells) to treat neuroblastoma cells as foreign.