Circular saw: Look for 12 amps minimum, to cutmetal 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。
3
If you can't unscrew the drain flange from the T-connector, use a reciprocating saw with a metal-cutting blade and cut the drain assembly away just above the T-connector.