Lay the first tile square at the crossing of the reference lines. For best results, lightly press and twist the tiles to set them in the mortar. Place tile spacers at the edges of the first tile. Continue laying tiles in the same manner along the reference lines, then add spacers.
Airplanes was composed by B.o.B, Jeremy Kinetics Dussolliet, Tim One Love Sommers, DJ Frank E, Alex da Kid Grant, and Christine Dominguez. B.o.B wrote his rap verses, while Kinetics & One Love and Christine Dominguez wrote the chorus sung by Paramore lead singer Hayley Williams, and DJ Frank E & Alex da Kid co-produced the music.
Commercial aviation is a massive industry involving the flying of tens of thousands of passengers daily on airliners. Most airplanes are flown by a pilot on board the aircraft, but some are designed to be remotely or computer-controlled. The Wright brothers invented and flew the first airplane in 1903, recognized as the first sustained and controlled heavier-than-air powered flight.