Dont Screw It Up

From: To: Employee no. 54679 Dear , Hello! Youve been hired as an entry level Gas Cap Laborer at the Fjörd Automotive Company. Your one-and-only job is to fasten a gas cap to each car that comes down the conveyor belt. But there might just be some room for growth in the future if you work hard enough. You can left click on an empty slot to place a screw. Each screw needs 3 more clicks to fully secure them. All empty slots must have a fully secured screw before you can send the car down the line....