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Anonymous users2024-01-24No, the equipotential of the bathroom, you can draw a section of 25*4 flat iron from the bathroom pillar for grounding, but make sure that the column you are using itself is grounded.
Proportion of cement mortar of each material: cement sand = 240 1221 = 1 Conditions: cement mortar used for masonry rubble retaining wall, strength is M10, consistency 30 50mm. >>>More
Hollow bricks can be considered with aircraft expansion screws.
Expansion screws for M6At least To make a hole 6cm deep.
It's round, it's generally square now, the starlight floor drain is good, you can learn about it, the leading brand of anti-odor floor drain, exclusive vortex drainage technology, transformation and so on, I will use the change cone, white cement, cutting machine, etc., it's best to find a plumber to do this, the starlight floor drain also has a round, maybe don't use a cutting machine.
There are still materials for labor, about 3000!