1, light support, light support is also called chest support. Small and medium-sized trays are usually used for pouring wine, delivering vegetables, delivering heavier vegetables and drinks, and cleaning up tableware and plates. The weight of the articles used is between 5 kilograms.

2, heavy support, heavy support is also called shoulder support. Usually, large trays are used to carry heavy dishes and drinks, and to clean tableware and dishes. The weight of the articles used is between 5 kg and 10 kg.

Extended data:

1, pallet classification:

According to the manufacturing materials of pallets, they can be divided into wooden pallets, metal pallets, plastic wooden pallets and plastic pallets.

According to the shape of the tray, it can be divided into rectangular tray, circular tray, oval tray and irregular tray.

According to the specifications of pallets, they are divided into large pallets, medium pallets and small pallets.

2, light protection operation essentials:

Left hand tray, left arm bent 90 degrees, palm up, five fingers differential. The bottom of the tray is supported by the fingertips of five fingers and the root of the palm, and the palm is naturally concave, and the center of gravity is pressed against the root of the thumb, so that the center of gravity and the fingertips of the five fingers of the left hand form "six force points", and the stability of the disk surface can be grasped by using the elasticity of the five fingers.

Flat on the chest, slightly lower than the chest, between the second button and the third button, the disk is at right angles to the left arm, which is beneficial to the flexible steering of the left wrist. When walking, your head should be straight, your shoulders should be flat, your upper body should be straight, your eyes should look straight ahead, and your steps should be light and free. The tray swings naturally on your chest with your steps. Do not press the edge of the tray with your thumb.

3. Main points of big trust operation:

Open the five fingers of your left hand and hold the center of the bottom of the tray. After grasping the center of gravity, lift the tray to your chest with your right hand, turn your left wrist upward, and lift the tray firmly on your shoulder. The upper shoulder of the pallet should not be placed at the bottom of the pallet, nor in the front entrance of the pallet. The right hand naturally hangs down and swings the goods to hold the front edge of the pallet.