Honestly, I don't know... but its not PTFE
it might by osmium
Ziplock brand plastic storage containers are very lightweight.
Hydrogen is the lightest element. The isotope protium is the lightest kind of hydrogen atom.
Select soccer balls are the lightest
helium is the lightest air
Hydrogen. It is the lightest element in the known universe.
plastic bag
The lightest recycable thing is plastic because it looks heavy but it is really light and its matierals used are light and that makes light!
So that if it hits anything it does not effect your bike and plastic is the most lightest and strongest material.
Ziplock brand plastic storage containers are very lightweight.
Plastic rakes are more easily broken, while metal rakes will be the sturdiest, but bamboo will be lightest.
the lightest elements are gases and the lightest of these are hydrogen and helium.
I don't
The lightest house is the lighthouse.
The lightest metal is lithium.
The superlative form of the adjective 'light' is lightest.
Hydrogen is the lightest element. The isotope protium is the lightest kind of hydrogen atom.
ANSWER:The ant is the lightest animal in the world.