'A substance, such as oil or grease, for lessening friction in the working parts of a mechanism'
a lubricant
THE L WITH U: A substance, such as oil or grease, for lessening friction in the working parts of a mechanism
A substance, such as oil or grease, for lessening friction in the working parts of a mechanism
A substance, such as oil or grease, for lessening friction in the working parts of a mechanism
THE L WITH U
a lubricant
THE L WITH U