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.
PBR means that when you create a part of an object in a game, you can designate a material to it. So all RSI struts will have the same metallic look to them. The buffalo leather suit on your fancy businessman will look similar to the buffalo leather paneling in your fancy 300i.