To maintain the gloss and beauty of this type of tile, you need to clean, sweep and mop the floor daily. 4. Porcelain tiles share a lot of the positive characteristics of ceramic kitchen floor tiles. Furthermore, this kind of tile is quite durable and scratch resistant.
fulcrum â(plural fulcrums or fulcra). ( 1 mechanics) The support about which a lever pivots. 2  It is possible to flick food across the table using your fork as a lever and your finger as a fulcrum.
A lever is any elongated, rigid object that rotates around a fixed point called the fulcrum (fig. 9.15). Familiar examples include a seesaw and a crowbar. Rotation occurs when an effort applied to one point on the lever overcomes a resistance (load) located at some other point. The part of a lever from the fulcrum to the point of effort is called the effort arm, and the part from the fulcrum to the point of resistance is the resistance arm. In the body, a long bone acts as a lever, a joint serves as the fulcrum, and the effort is generated by a muscle attached to the bone.