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 1-5 of 5 items.
#Name
1T.S
2SiO2
3Size 0-10MM
4Size +100MM
5Al2O3