In British English, the term drive shaft is restricted to a transverse shaft that transmits power to the wheels, especially the front wheels. A drive shaft connecting the gearbox to a rear differential is called a propeller shaft, or prop-shaft. A prop-shaft assembly consists of a propeller shaft, a slip joint and one or more universal joints.
The researchers found that the transparency of food packaging influences snacking habits in different ways depending on the size, visual appeal and healthiness of the food it contains. And the project uncovered some counterintuitive results.
The problem also exists in everyday foods like bagels and muffins that have doubled in size and calories over the last two decades. Home-cooking gives you complete control over portion sizes, which limits calories and helps you lose weight. Processed foods and meals prepared at restaurants are higher in fat, which impacts weight because 1 gram of fat has 9 calories, compared to only 4 calories in 1 gram of carbohydrates and proteins.