On+or+in+the+water
131The Wardstone Chronicles — 200px The Spook s Apprentice The Spook s Curse The Spook s Secret The Spook s Battle The Spook s Mistake The Spook s Sacrifice The Spook s Nightmare The Spook s Destiny The Spook s Blood Author …
132Water-cement ratio — is the ratio of weight of water to the weight of cement used in a concrete mix. It has an important influence on the quality of concrete produced. A lower water cement ratio leads to higher strength and durability, but may make the mix more… …
