Writing PMs need armour plating, it seems. (thetimes.co.uk)
My own shields were down but I had plenty of armour plating left in my hull (about 85 %) so I knew victory was at hand. (thelatenightsession.com)
Over millions of years, rows of protective armour plates gradually fused together and to the reptile's vertebrae, eventually creating a complete shell. (newscientist.com)