The Escalating of Numbers of Foreign Workers in Construction Site Norazlin Mat Salleh, Shahela Mamter, Nor Suzila Lop, Izatul Farrita Mohd Kamar and Noor Aishah Mohamad Hamdan MATEC Web of Conferences, 15 (2014) 01026 Published online: 19 August 2014 DOI: 10.1051/matecconf/20141501026