Medium-level coloring involves using basic techniques and skills to color moderately detailed designs. It may involve choosing color schemes, coloring within the lines, and basic shading techniques. Medium-level coloring requires some level of creativity and attention to detail and can be a relaxing and enjoyable activity for those looking for a bit of a challenge, but not necessarily as complex as expert-level coloring.
A big rig is a very large truck that is used to transport goods and materials over long distances. It has a cab for the driver and a trailer attached to it for carrying cargo. Big rigs are also sometimes called tractor-trailers or semi-trucks.
