Technical aspects of river transportation
(2) The height of the river raft should not exceed 0.6--0.8m. Avoid exposure and strong vibration on the way. It is required to have some moist mud on the body in order to reduce the collision and friction between the bodies.
(3) Before and after the operation of the scales, loading and unloading, etc. shall be light and meticulous. Be careful not to damage the shells.
(4) The transportation time should not be too long, otherwise it will affect the effect of the later culture of pearls. After returning, it should be put into the holding pool immediately.
(5) When the living water is shipped, it is necessary to prevent the river raft from blocking the water gate so that the water flow is unimpeded. When the sewage is encountered, the living water gate must be closed to prevent the death of the river raft poisoning.
(6) Vehicles and ships carrying pesticides, chemical fertilizers, and other harmful poisons cannot be loaded with canals at the same time.
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