“…The industry consultative experts stated that the cognitive skills of Sri Lankan labourers in various technical operations (specifically concreting, bar bending, plastering, tiling, welding, electrical works and equipment handling) are required to be significantly improved. Manoharan et al (2021b) also revealed that the construction training institutions need to have a special focus on the cognitive skills of labourers in concreting, bar bending, plastering, plumbing, tiling, welding, electrical works, understanding drawings, material handling and equipment handling. Praveen et al (2011) highlighted that the labourers' poor knowledge of understanding drawings and material handling significantly affected the progress of construction activities in Sri Lanka.…”