It also added more questions to the earlier comments on him being more than one person. The reason there's strong evidence for Blackbeard to one day own a third Devil fruits lies in the use of the number three throughout the franchise. He currently possesses the Logia fruit of darkness and the Paramecia fruit of quake.
No. Blackbeard did not eat Whitebeard. He ate Withebeard's devil fruit, hence gaining power of quake-quake fruit.
In order to steal devil fruits, Blackbeard Pirates hunt with a bag full of apples/some other fruit in order to capture devil fruits. Doc Q was doing the same thing way before the timeskip, as he offered Luffy an apple and said he was 'lucky' because he chose a fruit that didn't make him explode.
The normal standard used in powder thickness measurement is the mil, where 1 mil is equal to a thousandth of an inch (1/1000”). So if the manufacturer's specified thickness is 2 to 5 mils, the final cured thickness of the powder should be between 0.002 and 0.005 of an inch.
Powder coating achieves a thicker and more consistent finish than you usually get with spray paint. With thermosets, chemical additives interact with the powder during the application stage. The end result of thermoplastic and thermoset powder coatings are virtually identical.
Typical R-30 fiberglass insulation is 10-inches-thick. Prior to buying fiberglass insulation, it is important to measure the joint spacing you are working with. Note that the actual space between the framing members will be less than 16 or 24 inches, but the foam batts can easily be stuffed between these lengths.