Final answer:
To secure a fuel hose to a 4-way flat connector, a clamp or similar securing device should be used, with the specific type dependent on the hose and connector size.
Step-by-step explanation:
The student's question 'Secure the fuel hose to the 4-way flat connector with a:' relates to a practical task likely encountered in automotive engineering or vehicle maintenance. To secure a fuel hose to a 4-way flat connector, typically a type of clamp is used. Clamps provide the necessary pressure to hold the hose in place without causing damage to the hose or the connector. The correct type of clamp will vary based on the hose and connector size but may include options like a hose clamp, zip tie, or a specifically designed connector clip.