A modular text editor formats and displays text by creating style objects that format text elements arranged hierarchically. The apparatus is arranged to place the lock-up clutch in a fully engaged state andor a slip control state while a running condition of the automotive vehicle is in a predetermined engaging area or slip control area of the lock-up clutch. According to such a structure, workability of the maintenance work of the construction machine can be improved. The lure has a tempered, gold plated fish hook.