Tire is a ring-shaped elastic rubber product with grounding rolling assembled on various vehicles or machinery. Usually installed on the metal rim, it can support the vehicle body, buffer the external impact, realize the contact with the road and ensure the driving performance of the vehicle.

Tires are often used in complex and harsh conditions. They bear various deformation, load, force and high and low temperature during driving. Therefore, they must have high bearing performance, traction performance and cushioning performance. At the same time, it is also required to have high wear resistance and flexion flexibility, as well as low rolling resistance and heat generation.

Source: @a6adox66

Hula hoop tattoo means a healthy life. As an aerobic exercise, hula hoop can comprehensively improve the level of physical fitness. Studies have shown that daily hula hoop exercise for about 30 minutes a day can improve blood circulation throughout the body, reduce the risk of heart disease and diabetes, improve brain function and reduce stress.

Different studies have proved that hula hoops can improve the balance ability of the elderly, adolescents and children, and even children with intellectual disabilities, especially dynamic balance. Hula hoop movement makes the body oscillate stably parallel to the ground in an organized way. In this multi-stage dynamic model, the coordination of the body is improved. Hula hoop exercise helps to strengthen the strength of core muscles and promote the activity of hip joint.

Source: @_sitting_in_the_waiting_room_

The kettle is a vessel used to boil water. The kettle plays an important role in the whole set of tea sets. Different materials have different effects on the water quality, and the different water quality directly affects the taste, color and aroma of tea.

A kettle is usually used with a tea stove to boil water. When the water reaches a certain temperature or boils, it will brew tea again. The value of a good kettle is measured by its own design, technology and practicability. Today we have collected some unique kettle tattoos. Come and have a look.

Source: @_ryhno_

Anthurium tattoo means great ambition, enthusiasm and blood. Anthurium is a perennial evergreen herb. The flowers are unique, bright and gorgeous in color, with a long flowering period. The color of each flower changes from blooming to withering to beige, milky white, green and yellow, which has great ornamental value.

The growth of Anthurium requires proper sunlight, but avoid direct sunlight. It is suitable to grow in the environment with air humidity of 70% ~ 80%. The varieties of Anthurium andraeanum leaves should be half shade or shade, and the temperature should be higher. Generally, the minimum temperature shall not be lower than 16 ℃. Keep the room temperature at 20-22 ℃ and high air humidity in winter.

Source: @_mariahwoodman_

Subway is a fast, large volume and electric traction rail transit built in the city. Trains run on fully enclosed lines. Lines located in the central urban area are basically located in underground tunnels, and lines outside the central urban area are generally located on viaducts or ground. Some people have a passion for subway tattoos. Today we collected some subway tattoos. I hope these tattoos can give you a deeper understanding of the subway.

Subway is an urban rail transit system (Metro) with exclusive, high-density and high traffic volume covering all kinds of underground and aboveground rights of way in urban areas. In addition to the subway, it also includes elevated railway or railway paved on the road. Therefore, the subway is exclusive to the right of way and has no level crossing, which is also the fundamental sign that the subway is different from the light rail transit system. The earliest subway in the world is the metropolitan subway in London, England. It was built in 1863.

Source: @1_800_soft_tatz