The elements to the left of the stairs in the periodic table are called metals. Explanation: The elements to the left of the stairs in the periodic table are called metals.  However, within metals you have different families as it is indicated in the periodic table in the image below:
A Simon Phillips drum kit using straight, boom and multiple boom stands. A cymbal stand is a stand designed primarily to support a suspended cymbal in a drum kit or percussion section. There are many forms, including: 1  Straight stands. 2  Simple boom stands.  Counterweighted boom stands.
A gimbal is a pivoted support that allows the rotation of an object about a single axis. A set of three gimbals, one mounted on the other with orthogonal pivot axes, may be used to allow an object mounted on the innermost gimbal to remain independent of the rotation of its support (e.g. vertical in the first animation).