A doming station comprising: a domer assembly having a generally cylindrical body with a domed axial first end and an opposing second end; a housing assembly defining a domer body passage, said domer body passage having a longitudinal axis and being sized to accommodate said domer body, whereby said domer body may be movably disposed in said domer body passage and structured to move between a forward position and a rearward position, said domer body movably disposed in said domer body passage and structured to move substantially along said domer body passage longitudinal axis between a forward, first position and a retracted, second position; characterised by a domer assembly shock absorbing assembly having a pressurized fluid supply and a stacked piston assembly; said domer stacked piston assembly having a plurality of pistons, each said piston having an associated pressure chamber, said pistons disposed in series and located in said domer body passage, each said piston having a forward side and a rearward side, each said piston structured to move between a first position, wherein each said piston does not operatively engage said domer body, and a second, operatively engaged position, wherein each said piston operatively engages said domer body; said domer stacked piston assembly pistons disposed in series structured to operatively engage said domer body second end; said domer stacked piston assembly pressurized fluid supply structured to provide pressurized fluid to each said domer stacked piston assembly piston pressure chamber, whereby said each domer stacked piston assembly piston may be biased toward said forward side and each domer stacked piston assembly piston may be moved independently between said first and second positions; wherein, upon motion of said domer body toward said second position, each said domer stacked piston assembly piston is structured to operatively engage said domer body and bias said domer body toward said domer body forward position. a domer assembly having a generally cylindrical body with a domed axial first end and an opposing second end; a housing assembly defining a domer body passage, said domer body passage having a longitudinal axis and being sized to accommodate said domer body, whereby said domer body may be movably disposed in said domer body passage and structured to move between a forward position and a rearward position, said domer body movably disposed in said domer body passage and structured to move substantially along said domer body passage longitudinal axis between a forward, first position and a retracted, second position; characterised by a domer assembly shock absorbing assembly having a pressurized fluid supply and a stacked piston assembly; said domer stacked piston assembly having a plurality of pistons, each said piston having an associated pressure chamber, said pistons disposed in series and located in said domer body passage, each said piston having a forward side and a rearward side, each said piston structured to move between a first position, wherein each said piston does not operatively engage said domer body, and a second, operatively engaged position, wherein each said piston operatively engages said domer body; said domer stacked piston assembly pistons disposed in series structured to operatively engage said domer body second end; said domer stacked piston assembly pressurized fluid supply structured to provide pressurized fluid to each said domer stacked piston assembly piston pressure chamber, whereby said each domer stacked piston assembly piston may be biased toward said forward side and each domer stacked piston assembly piston may be moved independently between said first and second positions; wherein, upon motion of said domer body toward said second position, each said domer stacked piston assembly piston is structured to operatively engage said domer body and bias said domer body toward said domer body forward position.