field: Fields describe a single aspect of each member of a table. A student record, for instance, might contain a last name field, a first name field, a date of birth field and so on. All records have exactly the same structure, so they contain the same fields.
Many jurisdictions require one or more bicycle lights to be fitted to bicycles ridden at night â generally a white light in the front and a red light at the back.
1 Put reflectors on your wheels and on the front and rear of your bike. 2  At night use a headlight and an active red light and reflector on the rear of your bike. 3  Maintain your bike: Carry a pump, a patch kit and a spare tube. 4  Take care of yourself: Carry plenty of drinking water and snacks for energy.arking. 1  You can park your bicycle on a sidewalk as long as it does not impede pedestrian traffic. 2  You can park your bicycle at the curb or edge of the roadway where parking is allowed as long as it does not obstruct other vehicles.