Blankets were traditionally made of wool, while sheets were made of cotton which is less irritating to the skin. These days, artificial fibers are frequently used for both. Duvets vs Comforters: http://www.ajmoss.com/blog/2006/06/01/co... How to fit a Duvet Cover: http://www.bbc.co.uk/dna/h2g2/brunel/A68...
An easy swim burns around 500 calories an hour, while a vigorous effort can reach up to 700 calories an hour. Swimming exercise provided workout for lower body, upper body, core, and back will all be worked and strengthen during a good swimming workout, you can go for 4 to 6 days swimming workout.
Swimming is an aerobic exercise that works large muscles groups without putting a lot of stress on your body. You can use a swimming calculator to estimate how many calories you have burned after each work out. To lose one pound, you need to burn 3500 calories. The amount of calories burned depends on the activity, the intensity the activity is performed and your weight.