But they had only goats, which could pull only light loads.
Selective breeding was based on a dog's ability to perform a particular function, such as pulling loads or guarding.
Peep discovers how to pull large loads with a small piece of string.
If draft horses weren't fed sufficiently, they couldn't pull heavy loads, didn't they know that?
Despite its small size, the breed is fully capable of carrying an adult human and pulling heavy loads.
These new rails enabled horses to pull even heavier loads with relative ease.
They pulled heavy loads, having the power to pull weapons or supply wagons and disposition to remain calm under fire.
It is designed to alleviate the user from pulling heavy loads by being able to pull weights up to 2000 lbs.
Originally from India, the Zebu is an animal used for pulling loads.
These are powerful horses with good endurance qualities, easily able to pull heavy loads.