Update Specification

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

Remove Grade

Showing 1-4 of 4 items.
#QualityStock Limit 
1Ultra Low (Below 32%)0
2High (44% - 50%)0
3Medium (38% - 44%)0
4Low (32% - 38%)0

Remove Components

Showing 1-10 of 10 items.
#Name
1Mn
2Fe
3SiO2
4Al2O3
5P
6Size 0-10MM
7Size 10-20MM
8Size 20-100MM
9Size +100MM
10MOISTURE