21.   Health authorities have also launched a drive to spray chemicals to kill mosquitoes that carry the Japanese encephalitis virus.

22.   Health authorities have also launched a drive to spray chemicals to kill mosquitoes that carry the disease from pigs to humans.

23.   Health staff also have been spraying anti-mosquito chemicals every four days.

24.   Light aircraft and military helicopters sprayed chemicals.

25.   Local television footage showed soldiers and health officials spraying white chemicals on vehicles entering villages and fumigating livestock farms.

26.   Maritime authorities have fixed booms around the vessel to contain the spillage while firemen have been spraying dispersant chemicals to dilute the heavy bunker oil.

27.   Military chemical-warfare experts in masks and protective clothing had sprayed chemicals in cars and platforms to neutralize the gas.

28.   Police joined forces with local fishing vessels spreading oil-absorbing cloth and spraying chemicals to fight the slick.

29.   Scientists have urged farmers to spray chemicals, raise the plants in shade since the bug loves sunshine and use hormone traps to lure the insects.

30.   Coastguard helicopters sprayed absorbent chemicals into the sea in the hope of assisting with the massive clean-up effort.