Sea Worms. The sea worms are a large and varied group of animals belonging to a group called annelida. They are segmented worms, and all bear at least some resemblance to the common earthworm. In the ocean, however, the worms have evolved many different appearances. One of the more interesting varieties is the tube worms. These animals form a hard-shelled tube that provides them protection.
Earthbag building is a low-tech solution to making foundations (or entire buildings) using basic materials and simple tools. Drawing on the age-old technique of rammed earth building, earthbag uses woven sack material to provide a ready-made, leave-in-place formwork for containing rammed earth mixtures.
1 bag. noun \Ëbag also ËbÄg\. Tweet. : a container made of thin material (such as paper, plastic, or cloth) that opens at the top and is used for holding or carrying things. : a soft container carried by a woman and used to hold money and other small things (such as keys or makeup).. : something resembling a bag: as a (1) : a pouched or pendulous bodily part or organ; especially: udder (2) : a puffy or sagging protuberance of flabby skin b: a puffed-out sag or bulge in cloth c: a square white stuffed canvas bag used to mark a base in baseball.