A machine for weighing people has a scale from one pound to 300 pounds on it.

称体重机器上有从一磅到300磅。

The dial shall be made of copper aluminum alloy, inalterable black numerals and graduation on white background. The manufacture of same will be to applicable standards.

表盘应为机械指针式，应选用铜铝合金材质，底为白，上面标数字和为黑（不易褪），分配应采用厂家提供标准。

Turn on and cut function details: The table shows the turn on and cut situations as pointer moves deasil, and the function is opposite while the pointer moves widdershins.

表中描述开关功能是表示：表压力指针位于最小值时所有开关功能，即压力指针从最小值开始顺时针动时开关状态，当压力指针逆时针转动时，实现开关功能相反。