To make a bar tack stitch yourself, just set your sewing machine to a very small, very tight zigzag stitch. In a blue jeans factory, youâd find a machine just for making bar tack stitches. Here is a quick video of one in action. Places you might want to use bar tack stitches: garment pockets.
How far inland can a tsunami go? Quick Answer. With wave speeds that can reach as much as 435 miles per hour, a tsunami can travel as far inland as 10 miles, depending on the slope and the shape of the shoreline that it is traveling across.
The Indian Ocean tsunami caused waves as high as 30 feet (9 meters) in some places, according to news reports. In other places witnesses described a rapid surging of the ocean. Flooding can extend inland by a thousand feet (300 meters) or more. The enormous energy of a tsunami can lift giant boulders, flip vehicles, and demolish houses. Knowledge of the history of tsunamis in your area is a good indicator of what is likely to happen in a future tsunami event. â¢ Tsunamis do not necessarily make their final approach to land as a series of giant breaking waves.