lubricated

"The car salesman treated with my dad to lower the price. "

"The baby was feeling the soft fur of the teddy bear. "

"To minimize noise from the street, we closed all the windows. "

"The friction between the pencil and paper allows us to write. "

"The bike chain was squeaking loudly, so I applied lubricant to it to make it run smoothly. "

"My son rode his bicycle to school this morning. "

"The mechanic fixed the broken bicycle chain. "

"The waiter carried the trays of food smoothly, avoiding any spills. "

"After a long week at work, Sarah likes to relax by making cocktails at home. "

"to apply cream to a rash"

"My brother normally gets up early for school. "

"Oily substances render things slippery."