Update Specification

 
field($model, 'component[]')->dropdownList($array, ['prompt' => 'Select Component'])->label("") ?>

Remove Grade

Showing 1-1 of 1 item.
#QualityStock Limit 
1N/A0

Remove Components

Showing 1-4 of 4 items.
#Name
1CaO
2MgO
3SiO2
4Size 0-10MM