To give the necessary information for poison, poisoning, toxic dose and mechanism of action of the major poisons and hygiene in working environment.

The entry, distribution, biotransformation and excretion of poisonous substances into the body, the mode of action of poisons, lead, mercury, arsenic, antimony, cadmium, barium, etc. Metal and its salts, carbon monoxide, hydrogyanide, sulfuric hydrogen, phosgene etc. Gases, hydrocarbons, aliphatic halogenated hydrocarbons, aromatic hydrocarbons, aliphatic aromatic amines, alcohols, esters, amines and organic sulfur compounds, their toxicity, mode of action, and hygienic conditions.