The number one choice for most meal types is the 4 prong metal version, paired with a traditional metal knife this is the goto fork of most people.
While out and about you may find a metal fork is unavailable and in this situation a plastic fork may be offered to you. For a one meal outdoors situation plastic forks are ideal.
Wooden forks. If you happen to be in jolly old England having fish and chips by the seaside,you may be offered a wooden fork. This tradition goes back many years and was started after Bob cratchet of Weymouth England was stabbed with a vinegar soaked metal fork back in 1866 by a Sid grout after 10 pints of Stella and a fight over who had 11 toes.