Question $2$ : CONCRETE $[20$ MARKS$]$

Distinguish between hand mixing concrete and concrete mix design

In your explanation use include the following:

$2\mathrm{.}1.$ Description of each method $(5)$

$2\mathrm{.}2.$ Merits and limitations of each method $(7)$

$2\mathrm{.}3.$ Application of each method $($include examples$)(5)$

$2\mathrm{.}4.$ Standards regulating each method