Q:What is a child's trolley made of?

There are aluminum alloy, iron pipe, steel tube, PA plastic, ABS engineering plastic and so on

Q:How to remove the fold cart cart wheel

The wheels of the two carts are built from the sides of the wheel, which is embedded in the wheel shaft. They depend on the wheels on the wheels to keep the wheel shaft and prevent it from falling off. When you pull the card apart, you can remove the force that limits the wheel, and you can pull the wheel around the left and right sides.

Q:What is the difference between LV1 and LV10?

In fact, I don't think the rank of pushcart will affect the maximum weight of the cart What if the GF doesn't know the formula If the use of the Jathena definition cart should be:

Q:How many jins of sand and rocks can a car load on a construction site?

Suggest you try the TuJi or basket to a car, said first empty basket is heavy, and filled with sand or stone weighing, binary subtraction for a basket sand (or gravel) net weight, then use the baskets sand (or gravel) to flat car, to see what was the total basket, a single basket net is a load of sand (or gravel) of the net

Q:Who is the earliest wheelbarrow in China?

The second It has lasted for thousands of years. It appears, if it is undiscovered Like the deer car, we're more likely to assume that "time should be pushed In the old age of western han, however, this is commonly used The "deer car" should have a long-term molding process, so deer The car is not the earliest source of Chinese unicycle It's not the time of the invention of the Chinese unicycle.

Q:Why did the rear wheel of the cart choose the wheel

The aim is to better control the direction of the car travel, we produce warehouse turnover hand carts are also with this in mind, because human universal active wheel in the nearest side, easy to the human body the force imposed on cart to better absorb, more conducive to car body to travel!

Q:I want to change an electric cart for myself, it's 200 to 300 jins, it can be adjusted, but I don't know how to use electric motors

Do not change the single buy big horsepower motor is too expensive, the power big, the motor too big we have the professional power plant, the assembly line produces, the cost is low.

Q:What is the etiquette of having a trolley in the form room

Translation and rotation are for rigid bodies, so the distance between the object at any point in motion is constant, and it doesn't become its mirror image. The motion of a point can always be seen as translational. Translation is the motion of an object, moving from one point to another, from one point to the other. It can also be defined as the movement of "the same movement" on every point in the object when it moves. One definition is not so good, after the initial position is not the same as "sports is the same, but the trajectory shape is the same size, but not necessarily" movement is the same, such as a circular ring around the heart, each point of trajectory is same shape and size is the same. Rotation is when an object moves, each point from the same point (can) outside the object distance constant movement, known as turn around this point, the point is called the center of rotation of the object.

Q:Does anyone know that supermarket trolleys can be rented?

If someone while do not pay attention to you a community must be pushed back, oneself useless, things back in the uneven road exceptionally hard instead, it is easier, no contact go to supermarket to come back, let people still thank you.

Q:How to talk about supermarkets

Supermarket shopping cart ads are issued by advertising agencies. Advertising agencies are responsible for advertising, design, production, installation and maintenance.