Types of preservatives: The following preservatives are commonly used for the preservation of timber. ASCU treatment chemical salts coal tar creosote oil oil paints solignum paints
The following equation relates the LEAST COMMON MULTIPLE (LCM) and HIGHEST COMMON FACTOR (HCF) of any two numbers:- (HCF)×(LCM) = (1st number)×(2nd number)This relation is used to solve sums...