1. What kind of Sunscreen mask belongs to

Sunscreen mask is a mask that can prevent ultraviolet damage. Its main function is to prevent the damage of ultraviolet rays in the sun to the Skin, especially for people who work outdoors for a long time.EssenceSo do you know what categories are Sunscreen masks?

Sunscreen masks are personal care categories.

Personal care category is aimed at products and services such as personal body care, beauty, health care, etc.Sun sunscreen, as a product that can protect the Skin from ultraviolet damage and prevent the respiratory tract from being polluted, is naturally classified into personal care categories.

2. What are the safety standards for Sunscreen masks

The safety standards of Sunscreen masks should include the following aspects:

1. Material:The Sunscreen mask should be used for limited standards that meet national standards, and must not contain harmful substances, such as formaldehyde.

2. Filter performance:The Sunscreen mask has a certain filtration performance, which can effectively filter harmful substances such as dust, pollen, haze, etc. to ensure user health.

3. Breathing:The Sunscreen mask should have good breathability, avoiding discomfort and other problems such as long -term wear.

4. Anti -ultraviolet performance:The Sunscreen mask has a certain degree of anti -ultraviolet performance, which can effectively protect users' Skin from ultraviolet damage.

The above aspects are the core requirements of the safety standards of Sunscreen masks, and it is also the key point that consumers should pay attention to when purchasing and using Sunscreen masks.At the same time, it is also necessary to strengthen the supervision and testing of the quality of Sunscreen masks to ensure the effective guarantee of consumers' safety and rights.

A breeding method of shrimp ridge

1. Soil

Choose good drainage, loose, certain moisturizing, and rich humusearthFor soil, it can be used with humus soil or carbon soil to add an appropriate amount of river sand. It can also be mixed with ordinary garden soil and humus soil.

2. Watering

Shrimp Ridge likes a high -humidity environment. If it is placed indoors, it is not suitable for frequent watering and keeping the soil moist, but water cannot be accumulated.When the shrimp spine blooms from March to May, it is necessary to keep the soil slightly dry. It can be poured in the morning and evening from July to September.

3. Temperature

Shrimp orchids like a warm environment, so in winter, pay attention to the temperature must be maintained above 0 degrees, otherwise there will be a risk of freezing to death.

4. Light

Shrimp orchid likes the sun with sufficient sunshine. In spring, summer, and autumn, it is best to put the shrimp ridge in a Shading place, or put the shrimp orchid into a 50%Shading shadow.In winter, because the light is not so strong, it does not need to shade in the room.

5. Fertilization

Fertilize once a month during the growth period. When the flower stems are pulled out of the leaf cluster, the phosphorus and potassium Fertilizers are applied by 1 to 2 times.From May to August, Fertilizer can be applied every half month, and the concentration does not exceed 0.5 %.

6.Anti -disease

Common pests in shrimp ridges are anthracnose, soft rot, lobe blight, and scale insects. Excessive planting, poor ventilation, water disorders, or mechanical damage are susceptible.Reduce temperature and humidity, work for the final operation of the onset, and isolate and destroy.

precautions for shrimp ridge breeding

1,When maintaining shrimp ridge, it is necessary to trim the damaged parts in time to effectively increase air circulation and avoid the breeding of bacterial insect pests.

2,There are more rain in the rainy season. Do a good job of drainage in the soil to avoid rotting the roots caused by water accumulation.

Standard for Ship life jackets

The new standard Ship's life jacket is designed and manufactured in accordance with the requirements of IMO MSC.200 (80), MSC.207 (81), and the national GB4303-2008 standard. The buoyancy is greater than 155N, which meets personally weighing 140kg and 1750mm bust.Speak.

The Ship's life jacket is equipped with a throwing floating lace, which can be worn on the life clothes or life jacket worn by another person in the water.In the life raft.The specification was implemented on July 1, 2010, and the life jacket was suitable for adults.

Shipping life jacket classification

1. Ship Lifeline is divided into adult life jackets and children's life jackets depending on the applicable objects.

2. Adult life jackets are divided into ordinary life jackets, job life jackets and qi -style life jackets according to different structures.

Standard performance requirements for Ship life jackets

1. The life jacket can be completely surrounded by the fire for 2 seconds, not burning or continuing melting.

2. After being immersed in fresh water for 24 hours, the buoyancy of life jackets is not more than 5 %.

3. Within 5 seconds, the person who lost consciousness can be transformed from any posture in the water to no less than 120 mm.

4. Those who can make at least 75 % of them who are completely unfamiliar with life jackets can wear life jackets correctly within 1 minute without help, guidance or pre -demonstration.

5. Make the wearer jump into the water from the height of at least 45 m, and will not be injured, and the life jacket is not damaged.

6. Each adult life jacket can make the staff wearing a short distance swimming and board the lifeboat.

7. All children's life jackets should indicate the words "Child".

8. Each life clothing has a whip flute tied to a thin rope.

Ship Lifeline price

Both the staff on board and the tourists who board the boat need to use the life jacket proficiently. It is best to wear a life jacket at the process of the Ship.The expensive, the price of life jackets ranges from the standard tens of yuan to the high configuration of hundreds of yuan. Generally, the price of 75 yuan to 90 yuan can be purchased nearly costly cost-effective life jackets.(For reference only)

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Wall cabinet installation method

1. Determine the installation location of the Wall cabinet

Hanging wall cabinets are generally connected to the wall with two screws. Therefore, you need to determine the location of the screw.The position needs to be determined according to the installation height and the position of the nail hole of the cabinet.The tools that need to be used when the installation position is mainly tapetage and color pen.

2. Use impact drilling perforation

After determining the drilling position, you need to use impact drilling.The shock drill is connected to the power supply and a deeper installation hole is made in the marked position.Pay attention to it, there will be no water pipes and electric pipes before drilling.

3. Use the hand hammer to load the glue particles

Before connecting the screws, you need to install the glue particles in the screw hole. The glue can better fix the screws.Use your hand hammer to knock the rubber particles into the drilling hole.

4. Install the screw connection cabinet and wall surface

After installing the glue, connect the screw parts to the cabinet and wall.Then the installed master then replaced the drill with a shock drill and nailed the screw into the wall.

5. assembly and handle

After the cabinet is fixed to the wall, the cabinet is left to pull the hand.The handle installation is relatively simple. Use the screwdriver to fix the handle and screw piece in a fixed position.

precautions for Wall cabinet installation

What we should pay attention to when we install the Wall cabinet is to be careful not to destroy the wall when installing.To keep the indoor air circulation, the cabinet body is dry and extend the service life.Avoid water, you should use the cloth to dry it in time if there are water droplets.Do not contact the cabinet with the ground during installation. soft objects should be matched to avoid bumps.Pay attention to the surface of metal objects such as screwdrivers and other short -distance plates.

12. Inspection before installation, discover abnormalities, and feedback for the first time in order to change it in time.

2Carefully check the identification of the drawing and the occlusal state of the scene to determine the installation order.

3Pay attention to the protection of product components during the installation process.

4, Beam position, top line, and closing plate cut corner corners should be checked carefully to cut accurate cutting.

5,Notice2Try not to place the layer of the plate side plate on the side of the cabinet2Inside the cabinet.

6If the diagonal cabinet of the tape is used is equal, the phenomenon of uneven layer should be placed with a planer to nail the back plate.

7If the customer should ask questions during installation, answer it in time, and inform the reasonableness of the processing method.

8If there is a problem with the installation, the installation workers must fill in the installation notes and change the re -order to do a good job of tracking services.

9After the installation, it must be self -inspection and adjustment, and then the customer is accepted and the signature is confirmed.

10After the entire installation service process is completed, the customer must be repaid a clean environment.

Dragon boat flower breeding method

1 , Potted soil

Dragon boat flower is an instruction plant for acidic soil, so you need to choose a slightly acidic humus loam for cultivation. 2: 1: 1 The proportion is mixed and disinfected. The soil requires loose and well drainage.

2 , Light and temperature

Dragon boat flowers are happy, but avoid strong light.In the spring and autumn seasons, it should be placed in the place where the back wind is facing the sun. In summer, it needs to be shaded. In winter, the dragon boat flowers can be fully accepted.Dragon boat flowers are warm and warm, and it must be maintained in the winter room 12-18 between.In the spring of the Qingming season, the dragon boat can be placed outdoors, and the temperature in the autumn is lower than 15 Timely put the dragon boat into the room in time.

3 , Watering and fertilization

Dragon boat flowers like to moisturize the environment, but they are afraid of accumulating water.spring and autumn seasons every seasons 3 It is best to pour water permeability once. Water in the morning and evening in the summer and evening. At the same time, in order to maintain higher humidity, the leaf surface of the dragon boat flowers should often be sprayed in summer.Dragon boat flowers are like fat, but avoid thick Fertilizer and raw Fertilizer. In the growing period, it can apply rotten Organic fertilizer every half month.

4 Pelvic change

Dragon boat flower average 2 Change the basin once a year, the best time to change the basin is 5 At the beginning of the month.Some old roots should be removed appropriately when changing the pot.

5 , Prevention and treatment of pests and insect pests

The common diseases of dragon boat flowers include leaf spots, anthracnose and coal dirt.Essence

6. Breeding

The breeding method of dragon boat flowers is best to use cuttings. This method is easy to survive, and it is quickly flowering.Cuttings should be selected every year 3 As well as 4 The month is performed, and the two -year -old and lone branches are the best. After cutting 35 The dragon boat flowers around the sky will take root, 60 After day, you can move the seedlings.

How to trim the dragon boat flower

1, Cut off the weak and dense branches before the spring sprouts, and leave the branches born of the year3 Short -cutting left and right.New buds grow up with new shoots to grow 10 A pick -up at the left and right, retain the two bud points of the base, and promote the growing branches. When the branches grow to the seven leaves, they will be picked again to promote the split split sprout and speed up it.Flowing process.

2, The inflorescence of the dragon boat flower generally grows the top of the branches. After the first flower, you need to cut off the residual flowers in time to avoid the consumption of nutrients from continuing the residual flowers. In addition, it is necessary to apply phosphorus and Potassium fertilizer to promote the flowers of the plant again.

3, The branches that have been opened in the summer and autumn of that year must be short -cut, and only the base needs to be retained. 3 Just the sprout eyes, the length of the base pile is 10 The most suitable cm is the most suitable.

precautions for dragon boat flowers breeding

1 In the rainy season in summer, pay attention to drainage in time to prevent the roots of water.

2 When breeding of dragon boat flowers, pay attention to keeping the environment ventilation. Poor ventilation is easy to grow aphids and shell worms.

3 Dragon boat flowers should pay attention to thermal insulation when wintering, which is lower than long for a long time 0 At the time, frost damage is prone to.winter winter should be kept 10 The above, and give sufficient light.

4 Pay attention to the prevention and treatment of diseased and insect pests. The common diseases of dragon boat flowers include leaf spots, anthracnose, and shell worms. It should be mainly based on prevention, maintain the environment of the environment, and use it.