Hefts is a term used to describe the act of lifting or raising a weight with the use of a hoist. A hoist is a device used to lift or lower a load using a drum, wire rope, or chain. It is commonly used in construction, manufacturing, and other industries where heavy objects need to be moved. Hefts is an important part of the process of hoisting a weight, as it requires the operator to use their strength and skill to safely and securely lift the weight.