In a fire drill we have to stop drop and roll.
The role of the student was to roll the ball across the floor.
The teacher called role in her classroom.
Roll is already a verb.
For example, the action "to roll something".
I was on a roll when I got my role
"Have you ever..."
you just used the word obligation in that sentence
His devotion to his training set an example for the other students.
Example( you made a blunder when you forgot to spell sentence with a c after the n)
"After a Balk was called on the pitcher, the runners were allowed to advance one base."
A roll model is one who should always strive to set a good example. For example, a role model would not misspell role model.
She will train the new employee. The train left the station at 4:00. Her wedding dress has a long train.
Tilt doors are a popular alternative to roll ups. You could also use a carport or sectional doors.
Her parents were anxious about her poor health. Anxious means full of mental distress or uneasiness, greatly worried.
The atmosphere is a thin layer of gases surrounding Earth which includes nitrogen, oxygen, argon, carbon dioxide and a trace amount of other gases.
The Trailblazers transmission could be slipping, or the engine could be idling too low to spin the transmission fast enough to combat the gravity of the hill. Either of these could cause the roll back issue.
Roll top desk is best for laptop , I would say. You could Work during the day, roll down the top and all the work stuff disappears and at the same time you can use it for your laptop.