Minimalist Monochrome Engineering Icons

I need two fresh engineering-themed icons for a software ribbon, each exactly 16 × 16 px in PNG format. I’ll hand over reference images and a set of existing icons so you can match their line weight and overall visual language... (Budget: $14 - $30 NZD, Jobs: Adobe Illustrator, Adobe Photoshop, Icon Design, Illustration, Illustrator, Vector Design)