<prompt> Most common mode of lead poisoningIngestionDen-nallyInhalationThrough conjuctiva  <response>: Inhalation - Most cases of industrial lead poisoning is due to inhalation of fumes and dust of lead or its compounds.Ingestion - Small quantities of lead trapped in the upper respiratory tract may be ingested. Contaminated hands may also lead to ingestion.Skin - Only organic lead e.g., tetraethyl lead is absorbed dermally. 