The big idea of the sermon ought to match closely with the big idea of the text. Steven Matthewson, in his book The Art of Preaching Old Testament Narrative, counsels a progression in thinking about the big idea, beginning with the exegetical idea, building toward a theological idea, and ultimately a preaching or homiletic idea.
Loader (equipment) - Description. 1  A loader is a type of tractor, usually wheeled, sometimes on tracks, that has a front-mounted square wide bucket connected to the end of two booms (arms) to scoop up loose material from the ground, such as dirt, sand or gravel, and move it from one place to another without pushing the material across the ground.
A wheeled front loader at work. This wheeled tractor is equipped with a large bucket, which can be raised or lowered by hydraulic arms. A heavy equipment operator operates heavy equipment used in engineering and construction projects. Typically only skilled workers may operate heavy equipment, and there is specialized training for learning to use heavy equipment. Much publication about heavy equipment operators focuses on improving safety for such workers.