Μια και αυτές τις μέρες, λόγω παγετού, ακούμε για την νταλίκα που "δίπλωσε" και έκλεισε το δρόμο, και για όσους δεν ξέρουν πώς λέγεται στα Αγγλικά -- όπως εγώ, που το ανακάλυψα χθες σ' έναν υπότιτλο:
Jackknifing means the accidental folding of an articulated vehicle (i.e. one towing a trailer) such that it resembles the acute angle of a folding pocket knife. If a vehicle towing a trailer skids, the trailer can push it from behind until it spins round and faces backwards. This may be caused by equipment failure, improper braking, or adverse road conditions such as an icy road surface.
Jackknifing is not very common and usually only happens to an empty vehicle. Most truck drivers are skillful enough to correct a skid before it becomes a jackknife. It would be an exaggeration to claim that jackknifing accounts for a large number of tractor-semitrailer accidents since in many cases it is the collision that caused the vehicle to jackknife and not vice versa. Radio stations often report jackknifed trucks because people phone to tell them, but more often than not, the truck has not technically jackknifed; it may be stuck in the snow or damaged in a crash.
Jackknifing means the accidental folding of an articulated vehicle (i.e. one towing a trailer) such that it resembles the acute angle of a folding pocket knife. If a vehicle towing a trailer skids, the trailer can push it from behind until it spins round and faces backwards. This may be caused by equipment failure, improper braking, or adverse road conditions such as an icy road surface.
Jackknifing is not very common and usually only happens to an empty vehicle. Most truck drivers are skillful enough to correct a skid before it becomes a jackknife. It would be an exaggeration to claim that jackknifing accounts for a large number of tractor-semitrailer accidents since in many cases it is the collision that caused the vehicle to jackknife and not vice versa. Radio stations often report jackknifed trucks because people phone to tell them, but more often than not, the truck has not technically jackknifed; it may be stuck in the snow or damaged in a crash.
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