Anti - mosquito oil sprayed on shrubs and vegetation to combat mosquito breeding.

食环署职员在草丛喷洒蚊油,防治蚊患.

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Anti - mosquito oil is used in the fight against breeding.

食环署人员喷洒蚊油,防止蚊子滋生.

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Anti - mosquito oil is applied to black spots in rear lanes.

灭蚊人员在后巷蚊患黑点喷洒蚊油.

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Applying anti - mosquito oil at known black - spot breeding areas.

灭蚊人员在蚊患黑点喷洒蚊油.

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Workers spray anti - mosquito oil at Tin Shui Wai.

灭蚊人员在天水围喷洒蚊油.

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