ON DECEMBER 9, 1985 AT 0730 PST A CESSNA 152 REGISTERED TO WALTER D. CABLE OF UPAND, CALIFORNIA COLLIDED WITH A PARKED TRUCK WHILE TAXIING FOR TAKEOFF ON THE PARALELLEL TAXIWAY OF RWY 24 AT CABLE AIRPORT, UPLAND, CA. VMC PREVAILED AT THE TIME. THE AIRPORT WAS UNDER CONTRUCTION AND BEING RESURFACED. THE TAXIWAY CENTERLINES HAD NOT BEEN REPAINTED. A CONTRACTORS TRUCK WAS PARKED CLOSE TO THE TAXIWAY, BUT THERE WAS SUFFICIENT SPACE FOR A CESSNA 152 TO TAXI AROUND. THE TRUCK WAS EQUIPPED WITH LADDER RACKS THAT PROTRUDED FROM THE TRUCKS BODY. THE LADDER RACKS WERE RACKS THAT PROTRUDED FORM THE TRUCKS BODY. THE LADDER RACKS WERE NOT CLEARLY VISIBLE TO THE STUDENT PILOT. AS THE AIRCRAFT TAXIIED ABEAM THE TRUCK, THE RIFHT WING TIP STRUCK THE LADDER RACK. THE STUDENT PILOT APPLIED THE BRAKES BUT THE AIRCRAFT GROUND LOOPED TO THE RIGHT. THE RIGHT WING STURCK THE LADDER RACK AGAIN A FEW FEET INBOARD OF THE WING TIP. THE STUDENT PILOT INDICATED ON THE PILOT AIRCRAFT ACCIDENT REPORT THAT THERE WAS NO MECHANICAL FAILURE OF MALFUNCTION.