Redesign of Icons for Hose Installations

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This customer received 22 graphic designs from 10 designers. They chose this graphic design from Alike as the winning design.
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Source Material:
There are currently 23 hand-drawn icons from the 1980s. These illustrate GO (correct application) and NO-GO (incorrect application) situations in hose installation.
Objective:
Redesign the icons in a modern, clear, and consistent style. The hoses and their end fittings should visually follow the appearance of Style_1 and Style_2.
Scope:
Redesign 23 icons based on the existing drawings.
Reproduce the shapes as shown in the reference images 011 to 112.
Ensure a uniform look & feel (line thickness, proportions, grayscale tones).
File Formats:
Delivery in .png (high resolution, transparent background) and .svg (scalable, editable).
Additional Requirements:
Omit the GO and NO-GO marks (checkmarks and prohibition symbols).
Colors: grayscale only.
Icon sizes: square format, PNG export at 400x400 px.
Background: white, without borders.
Deadline: 2 weeks.
File naming system: e.g., 011.png → new_011.png.