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 1-6 of 6 items.
#Name
1Fe
2Mn
3SiO2
4Al2O3
5P
6Size 0-10MM