A tool can be any item that is used to achieve a goal. Equipment usually denotes a set of tools that are used to achieve a specific objective. A tool can be non-mechanical as well. However, when one says equipment, there is a certain mechanical aspect to it that cannot be ignored.A tool can be any item that is used to achieve a goal. Equipment usually denotes a set of tools that are used to achieve a specific objective. A tool can be non-mechanical as well. However, when one says equipment, there is a certain mechanical aspect to it that cannot be ignored.
Based on the information given, the rhetorical technique used is shift. It should be noted that a rhetorical shift occurs when the tone or the style of a speakers or a writer is being altered. A rhetorical shift is a can be signalled when transition words such as however, then, or but are used.