Those who have drinkable water can be used for conservation and concrete mixing. Untreated industrial waste, sewage and swamp water can not be used here, reinforced concrete and prestressed concrete works are not allowed to use seawater.
All drinkable water can be used to conserve and mix concrete. Untreated industrial wastewater, sewage and marsh water cannot be used here, and seawater is not allowed for reinforced concrete and pre-stressed concrete projects.
All potable water can be used for curing and mixing concrete. Untreated industrial waste water, sewage and swamp water shall not be used here, and seawater shall not be used for reinforced concrete and prestressed concrete works.<br>