Natural History & Ecology: Mature striped dolphins may range in length from 180 cm to 256 cm and 110 to 160 kg in weight. Average length at sexual maturity has been found to be 195 to 220 cm for both males and females of the species at an age of 9 to 10 years old.
Bog iron is a type of iron ore composed of mostly mineral goethite and other iron-bearing minerals with impurities like clay or plant debris. Bog iron used to be a very important ore of iron before better alternatives like banded iron formations were discovered.
Facts And Figures. 1  The first electric steam iron was patented in the U.S. by Swiss inventor Otto Walker in December 1924. 2  Modern ironing boards and pads are designed to work with your iron, enhancing its performance. 3  A wall-mounted ironing-board hanger and steam-iron rest lets you put your iron away while still hot. As you iron, heat is absorbed by the material you're ironing, as well as the ironing board itself. Steam irons are available with up to 2,300 watts of power, but some would argue that 1,500 watts is all you need.