Complex sentence: The 40-P's fuselage was oval in cross-section, tapering to the tail, and entirely ply covered, with a landing skid under the forward fuselage and the wing aided by a tail bumper.
Split into simpler sentences: The 40-P's fuselage was oval in cross-section, tapering to the tail and entirely ply covered. Thre was a landing skid under the forward fuselage and the wing aided by a tail bumper.