FIBERGLASS TRAINING MAT ASSEMBLY WHICH IS USED BY RUNWAY REPAIR CREWS DURING TRAINING; IT CONSISTS OF TW0 30 BY 54 FT FIBERGLASS MATS WHICH ARE 0.20 IN. THICK AND TWO 30 BY 2 FT JOINING PANELS WITH LOWER BUSHINGS AND TWO 24 BY 2 FT JOINING PANELS WITH LOWER BUSHINGS