The material in safe file should be original material, and try to not store its copy.
安全档案内保存的资料，一般要求是原始资料，尽量不保存复印资料。
Ask: the light is with what material do, how big, safe?
问：这灯是用什么材料做的、有多大、安全吗？
The material for the bricks has proved to be safe.
积木的材料被证明是安全的。
The heat transfer fluid shall be environmentally safe and shall not require hazardous material disposal.
热传导流体必须是符合环保要求的，不会产生有害物质。
The utility model is characterized by simple structure, convenient and safe use and material economy.
本实用新型的特点是结构简单、使用方便、安全，节省材料。
A safe delivery system of agriculturally active material is formed using an encapsulation process.
使用包封方法形成农学活性物质的安全递送系统。
Small diameter, very dense rolls, Safe and efficient material handling.
卷径小，卷绕密实，货物搬运安全、高效。
The formula comes from the natural material and the product is safe without side effect.
配方取自天然原料，产品安全无副作用。
Ask: the light is with what material do, how big, safe?
问：许愿灯是用来干什么的？
Ask: the light is with what material do, how big, safe?
问：许愿灯是用来干什么的？
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