Yes it still harmful because it is air pollution to your lungs. My kid's pediatrician used to tell me that I should change my clothes after smoking a cigarette and before I carry my baby.
In Scrum, a product backlog item (PBI, backlog item, or item) is a unit of work small enough to be completed by a team in one Sprint iteration. Backlog items are decomposed into one or more tasks. See also backlog effort estimation unit.
PBI resin is molded via a sintering process that was jointly developed by Hoechst Celanese (North Carolina, USA) and Alpha Precision Plastics, Inc. (Houston, Texas, USA). Molded PBI resin is an excellent candidate for high strength, low weight material.