In the years just before and just after 1500.
Yes, checked luggage is typically scanned using X-ray machines and other security measures before being loaded onto an airplane to ensure safety and security.
Many types of flying machines were invented before the first airplane. This includes Leonardo da Vinciâ??s flying machines, which he invented in the 15th century.
Leonardo Da Vinci drew detailed pictures of aircraft and fling machines. Many men designed and built such machines long before the Wrights, but none had a well publicised flight.
Most people think it was the Greeks, but actually it was centuries before them that the catapult and the rapid fire arrow machines were invented by King Uzziah.
"Sketches by Boz" was written by Charles Dickens and first published in 1836. It is a collection of sketches that originally appeared in various periodicals before being compiled into a single volume.
the airplane was first because what would the parachute be needed before the airplane? Correct answer is airplane!(:
The car was invented before the airplane.
paper airplane paperclip
Preliminary sketches are used by artists for many reasons. Often they are used to work out problems with composition. They are also used as practice. The sketches can also be ideas quickly sketched out before forgotten.
good question
it was hard