Although they can perform a number of tasks of which no individual human is capable, they are not intellects and there are many fields in which they perform much worse than a human brain - for example, you can't have real-time conversation with the scientific community.
The kerb or curb weight is the weight of the vehicle minus any passengers or cargo. This refers to the weight of the car if it was parked on the curb without anything in it. It still has all the necessary equipment and fuel but doesn't have any added weight that isn't built into the car. The gross weight refers to the car's total weight when it has added passengers and cargo.
gross weight of a combination of vehicles with a load does not exceed 80,000 lbs., two (2) tandem axle assemblies shall be permitted at. a gross weight of 16,000 lbs. per axle. ** On any legal combination of vehicles, only one (1) tandem axle assembly shall be permitted at the gross weight of 12,000 lbs. per axle and no other tandem axle assembly in such combination of vehicles shall exceed a gross weight of 9,750 lbs. per axle.