2. During operation, listen carefully to the noise and metal knocking of each working part. If there is any, you should immediately stop and check and troubleshoot before proceeding.
3. When the rotary tillage is too deep, the soil is too heavy or hard, the tractor is black smoked and accompanied by slippage, the tillage depth should be reduced or the tillage width reduced.
4. When turning, the throttle should be reduced. The tail wheel and the steering clutch should cooperate with each other and be carried out slowly. It is forbidden to make a sharp turn to prevent damage to the relevant parts. When turning or reversing a wheeled tractor, the rotary cultivator should be raised to prevent the blade from being twisted and the knife shaft from being damaged.
5. When passing through the ditch, the operating handle of the rotary cultivator should be placed in a separate position so as to prevent the rear of the tractor from suddenly tilting and the blade hurting.
6, timely removal of the knife shaft, the grass wrapped around the blade, so as not to damage the knife shaft, affecting the depth of cultivation. Always turn off the engine when clearing the grass.
7. Both ends of the universal joint work should be close to horizontal, and the included angle should not be greater than 10 degrees. When the working status is improved, the included angle should not be greater than 30 degrees, and the speed should be reduced to prevent damage to the universal joint assembly.
8. During operation, it is forbidden to station people after the rotary cultivator and on the machine.
9. After every 3 to 4 hours of work, check whether the blade is loose or deformed. If any abnormality is found, tighten or replace it in time.
10. When checking and troubleshooting, the engine must be turned off to ensure personal safety.
11. When the field is transferred, the rotary cultivator should be raised and the power output shaft power should be cut off. If the transfer distance is large, use the locking device to fix the rotary cultivator in a certain position, or remove the universal joint transfer.
12. When parking, the rotary cultivator should be grounded, and suspension and parking are strictly prohibited.
When long-term storage is required after the maintenance operation is finished, the outside dirt and grass of the rotary tiller should be removed and cleaned, the gear oil inside the transmission box should be replaced, and the lubricated parts should be lubricated; the blades, universal joints and oil should be removed. Placed in the room; oiled and rust-proofed on other exposed working parts, damaged parts repaired or replaced in time, and then lift up the rotary cultivator, stored in dark, sheltered from rain, ventilated and dry place.
Whitening supplements usually refer to nutritional supplements or food ingredients that can help improve uneven skin tone, reduce dark spots, and enhance skin brightness, thus achieving whitening effects. These components usually work by antioxidants, inhibiting melanin production, promoting melanin breakdown, or accelerating epidermal metabolism.
A powerful antioxidant, can inhibit tyrosinase activity, reduce melanin production, while promoting collagen synthesis, improve skin quality.
It is an endogenous antioxidant that can be used orally or topically to help reduce pigmentation and improve skin brightness.
It can prevent the transfer of melanin to the skin surface, reduce the formation of stains, and has anti-inflammatory and moisturizing effects, improve skin barrier function.
A powerful antioxidant that can work with other antioxidants such as vitamins C and E to enhance the whitening effect.
Natural extract, can inhibit tyrosinase activity, reduce melanin production, commonly found in whitening skin care products.
With antioxidant properties, can prevent skin damage caused by ultraviolet light, indirectly help whitening.
Although the direct whitening effect is limited, it can improve the elasticity and water retention of the skin, making the skin look fuller and brighter.
It is important to note that the effectiveness of whitening supplements varies from person to person, and usually requires a combination of good sun protection and reasonable lifestyle habits (such as adequate sleep, balanced diet, moderate exercise) to achieve the best results. When choosing a whitening supplement, it is recommended to consult a professional to ensure safety and suitability.
Here are some common whitening supplements:
1. Vitamin C (Ascorbic acid)
2. Glutathione
3. Niacinamide (vitamin B3)
4. Lipoic acid
5. Arbutin
6. Polyphenols (such as green tea extract, grape seed extract)
7. Collagen peptide
Whitening ingredient, Skin whitening, Skin whitening material, Whitening materials,Whitening effect
Xi'an Day Natural Inc. , http://herb.dayqc.com