they're are called water boatmen and are harmless but fun to watch
slimby bugs ın ingilşzce tanımı
No, it is illegal.
Swimming.
There are no swimming events that allow the use of fins and flippers.
Fins for swimming are a great tool to get young people in the water and off the couch. Something as simple fins to get children interested in under water adventures. Water sports are a great bonding opportunity for a family. http://drifterdivegear.com/
because of their fins
For balancing itself while swimming.
There are many brands of swimming fins for children. These brands include Speedo, Maru, Aqua Sphere, Zoggs, Cressi Light, Finis, Head, and Arena Powerfin.
Ben Franklin invented the fins in 1717. He used them for his hands due to his love of swimming. Unfortunately, how he invented them is unknown.
To swim and to mantain a certain posture during swimming.
pectoral fins
Zoomers Gold Fins are a brand of swimming fins. The fins offer soft rubber foot pockets and improved blade stiffness in comparison to the company's older models.
Fish use fins to help them swim better. If you go swimming, you will swim faster, with swim fins, instead of just feet. Fins are better for fish instead of hands.