Which technique is best suited to create technical drawings?

Which of the following commands is more recommended while creating a bot?

List the five on-board vehicle subsystems

Which best compares appointments and events in outlook 2010appointments have a subject man, and events do notappointments have a specific date or range of dates, and events do notappointments have a start and end time of day, and events do notappointments have a location option, and events do not