Find in the text and write down the verbs in passive voice. it is a well-known fact that every building needs permanent stability. in order to have stability, buildings should have foundations. we know that the function of a foundation is to transfer the loads of a building into the soil. foundations keep the walls and the floors of buildings from direct contact with the soil. they guard the walls and the floors against the action of the weather- rain, snow, and wind. they also guard buildings against sinking that may cause cracks in the walls. foundation design is very special. it may be both rather complex or very simple. it is a common practice that for very small buildings foundation design is usually much simpler than for large ones. why is it so? firstly, because foundations’ loads of small buildings are usually low. what kinds of loads are supported by foundations? a foundation may support different kinds of loads. among them there are dead loads and live loads. the dead load of a building includes the weights of the ceilings, the frame, the floor, roofs and the walls. besides, every modern building is known to have water, electricity, heating, ventilation and dispose of waste systems and, accordingly, their equipment. the dead load also includes the weights of this electrical and mechanical equipment and the weight of the foundation itself. as to the live load, it includes the sum of the weights of the people and other living beings, the furnishings, and equipment they use. the live load also includes snow, ice, and water of the roof. докинуть дополнительные .