Normalize going to the site with a laser level occasionally to check your work. Don't just check the level, check the alignment, and everything else you need to verify. Score yourself to ensure perfection. This machine is excellent at exposing any errors. Check your work before the client points out your mistakes . Invest in a laser level for precision and quality control. We offer: 4D-16 lines laser level with 2 batteries and remote control for ₦170,000 3D-12 lines laser level for just ₦135,000