Circular saw: Look for 12 amps minimum, to cut metal and concrete with the appropriate blade.
圆锯：查找最低限度12安培，辅以合适的刀片用于切割金属和混凝土。
Aggregate hardness and size, amount of steel reinforcing (rebar) and whether the concrete is green or cured affects blade selection.
总结硬度和规模，强化钢量(钢筋)混凝土是否是绿色或治愈影响叶片的选择。
The time the concrete has had to cure greatly affects how the material will interact with the blade.
在具体的治疗不得不大大影响材料将如何互动，刀片的时间。
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