teng-ene! dili lng ikaw ang daghan ug problema!
salamat kaau sa mga yawyaw kay nakatarong jd ko ug study!!!!!
Elevator, 1852. Inventor : Elisha G. Otis (U.S.) (1811-61). Earliest elevator at Yonkers, N.Y.
Silicones, 1904. Inventor : Prof. F.S. Kipping (England).
Reaper, 1826. Inventor : Henry Ogle (U.S.). First practical machine invented by Robert McCormick in Walnutt Grove, Virginia, in 1831.
Time Recorder, 1890. Inventor : Harlow Bundy (USA).
Food Frozen, 1923. Inventor : Birdseyes (USA).