To improve visibility during severe or stormy weather, what must be secure, undamaged, and operating smoothly and correctly?
a) Emergency equipment
b) Lighting indicators
c) Wipers/ washers
d) Heater/ defroster
Answer: c) Wipers/ washers
a) Emergency equipment
b) Lighting indicators
c) Wipers/ washers
d) Heater/ defroster
Answer: c) Wipers/ washers
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