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Battery operated ones are just like flashlights in another shape. Dynamo operated ones are also very much like flashlights, but w/o the battery compartment. Instead they have a dynamo(AKA generator) stuck somewhere on the bike which draws power from the bicycle's motion to power the lamp.
You should keep flashlights, a battery operated weather radio, extra batteries, a first aid kit, blankets, and food the does not need refrigeration.
Food that doen't need cooking . water. first aid kit, batteries and battery operated flashlights and radio.Prescription meds, eyeglasses and a camp toilet and TP.
Pretty much the same parts and materials that are used for flashlights, plastic, aluminium.
Flashlights have light energy if they are on. The energy is stored as chemical energy in the battery when it is off.
The English word for "Flashlight" is "Torch". As well, prior to electricity or battery operated flashlights, any flaming illumination was called a "torch", referring to making a fire on the end of a long stick (as seen in movies and still used in some undeveloped areas).
BOB means a Battery Operated Buddie, Battery Operated Belie, or Battery Operated Boyfriend.
Depends on the year it ws built
They both need a battery to work.
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Yes ,rolex makes battery operated watches.