Answer:
My first is in window but not in pane. My second's in road but not in lane. My third is in oval but not in round. My fourth is in hearing but not in sound. My whole is known as a sign of peace. And from Noah's ark won quick release.
What has armor but is not a knight, snaps but is not a twig, and is always at home even on the move?
What follows a dog wherever it goes?
In all the world, none can compare, to this tiny weaver, his deadly cloth so silky and fair.
They are producers of pies and burgers and are great for tipping.
What is so fragile that saying its name breaks it?