MAKKAH: After the Haj season, the Makkah Mayoralty will use Ministry of Agriculture planes to spray insecticide over the holy sites in an effort to sterilize germs, fight mosquitoes and maintain cleanliness, Dr. Osama Bin Fadhl Al-Bar, Mayor of Makkah, said Wednesday. Dr. Al-Bar said the mayoralty would secure the material and insecticides and supply them to the Ministry of Agriculture, which will conduct regular flights to spray the holy sites. He said the insecticides and other substances do not harm human beings, animals or plants. The mayor emphasized that during the Haj season, the mayoralty would continue its high level of work, including cleaning, sterilization, maintenance and operations in Makkah and other holy sites. Saleh Bin Abdul Samad Izzat, director general of Cleaning in Makkah Mayoralty, said the number of workers cleaning the holy sites and Makkah before and after the Haj season have been increased considerably. More than 13,000 workers have been allocated, along with 1,200 pieces of equipment and more than 40,000 garbage dumpsters, he said. Officials are also using 131 underground stores and 200 compression boxes for temporary storage of garbage, he added.