Use of wadding in a smooth bore gun rifle produces all except :
A i.e. Causes fatal injuries Caridge case of shotgun has percussion (detonator) cap at the base of rim and top wad (retaining cardboard) at topQ. Wad is responsible for separation, sealing, optimal pressurization & lubrication but not for fatal injuriesQ.
Causes fatal injuries
Helps in lubrication
Optimum pressure
Sealing the air