{Glass is {at least|a {minimum|minimal} of|no {less|much less} than} 5 {times|occasions|instances} {more|extra} {effective|efficient} than air, which is why the earliest capacitors (Leyden jars, electronic component test labs utilizing odd glass because the dielectric) worked so properly, but it is heavy, impractical, and onerous to squeeze into small areas.
Seller has not uploaded any pictures