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cov (uit,uis Xit,Xis = 0 for t ≠ s means that
Pesticides
Chemicals used to eliminate or control a variety of agricultural pests that can damage crops and livestock, potentially having both positive and negative impacts on the environment and human health.
Asbestos
Naturally occurring fibrous minerals that are resistant to heat and corrosion, known for their use in construction and manufacturing but hazardous to health when inhaled.
Tobacco Smoke
The smoke that comes from burning tobacco products, such as cigarettes and cigars, containing harmful substances.
Upper Body Discomfort
A general term that refers to any form of pain or unease located in the torso or arms of the body.
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