The role of pet leashes: 1. Avoid the danger of being hit by the dog suddenly crossing the road in the process of free play, and the accident that the owner of the dog is hit by a car while chasing the dog; 2. Prevent the do

Ballpoint pens are writing tools that roll out the writing medium to form handwriting. According to the ink viscosity of the writing medium, ballpoint pens can be divided into five categories: oil-based pens, water-based pens, gel

The straight liquid roller ballpoint pen is neither a ball-point pen nor a gel pen, it is a product with the best writing performance and quality among the current pen products. Advantages of rollerball pen products: 1. Smoo

What is a ballpoint pen? A roller-point pen is a ball-point pen. There is a small steel ball on the head of the roller-point pen. When sliding, the pen oil will flow down with the ball under the action of gravity. A roller b

The toyization of stationeries has raised the price of stationeries invisibly, and it is easy for primary and secondary school students to form a bad habit of comparing with each other. It is not uncommon for some childr

1. Is the load-bearing capacity good If you want to choose a phone stand with good quality, when choosing a phone stand, you need to check whether the whole load-bearing capacity is good or not. You can directly put the mobile

1. Dashboard suction cup type. As the first-generation phone stand, the disadvantage is that the suction cup is not strong and the mobile phone is easy to fall; the advantage is that the position of the instrument panel is optiona

The phone stand mainly uses the principle of mechanics to make the tablet mobile phone have a support point one by one, which can be placed upright or obliquely on a horizontal object. There are two main types of phone stand, one

1. It is safer and more convenient to answer the phone when the mobile phone calls The most common thing that happens in driving is a sudden phone call, and the car owner will subconsciously find the phone in the seat blankly.

What are the functions of coasters? 1. Insulation The coaster has the function of heat insulation, which can protect the table or coffee table from being scalded. 2. Advertising role Coasters have the function of adver