The maintenance department has a long$-$term planning schedule to undertake major maintenance projects. Since projects often mean large$-$scale production losses, separate work plans, and progress control methods are needed to ensure that the project proceeds efficiently.

$($a$)$Discuss the key factors influencing the efficiency of maintenance projects, and how they can be addressed.

$($b$)$By utilising a concept map, explain the ways in which technology and data analytics can be employed to enhance the efficiency and effectiveness of managing and executing maintenance projects.