What is the difference between "Regular Employee" and "Casual Employee"?

"Regular employees" are persons aged 18 to below 65, who have been employed for 60 days under an employment agreement on full-time or part-time basis.
“Casual employees” refers to employees who are at least 18 but under 65 years of age, and are employed in the construction industry / the catering industry on a day-to-day basis, or for a fixed period of less than 60 days.