Design skills

Expert-level mass transfer covering molecular diffusion, convective mass transfer, interphase transfer, mass transfer coefficients, and design of mass transfer equipment.

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Expert-level medical device design covering regulatory pathways, design controls, biocompatibility, sterilization, risk management, and verification and validation.

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Expert-level process control covering feedback and feedforward control, PID tuning, advanced process control, control loop design, and process safety instrumentation.

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Expert-level chemical process safety covering HAZOP, LOPA, relief system design, consequence modeling, inherently safer design, and process safety management.

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Expert-level transportation engineering covering highway design, traffic flow, intersection design, pavement design, traffic impact studies, and public transit.

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Expert-level VLSI design covering CMOS logic, custom layout, standard cell design, physical design flow, DRC, LVS, and advanced process nodes.

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Expert-level compiler design covering lexical analysis, parsing, semantic analysis, intermediate representations, optimization passes, and code generation.

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Expert-level computer architecture covering CPU design, instruction sets, pipelining, cache hierarchy, memory systems, parallel architectures, and GPU computing.

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Expert-level waste management covering solid waste characterization, collection systems, landfill design, composting, waste-to-energy, recycling, and hazardous waste regulations.

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Expert-level heat exchanger design covering shell and tube, plate, air coolers, heat integration, fouling, and thermal-hydraulic design methods.

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Expert-level concrete design covering reinforced concrete beams, columns, slabs, footings, retaining walls, ACI 318 code provisions, and durability.

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Expert-level digital electronics covering Boolean algebra, combinational and sequential logic, FPGA design, HDL programming, timing analysis, and digital system design.

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Expert-level embedded systems covering microcontrollers, RTOS, peripheral interfaces, low-power design, bare-metal programming, and embedded Linux.

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Expert-level geotechnical engineering covering soil classification, shear strength, consolidation, foundation design, slope stability, and retaining structures.

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Expert-level electronics covering diodes, BJTs, MOSFETs, amplifier design, operational amplifiers, feedback, and analog circuit design.

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Expert-level aircraft structures covering structural design philosophy, wing and fuselage analysis, fatigue and damage tolerance, composite structures, and certification.

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Expert-level control systems engineering covering feedback control, PID design, root locus, frequency domain methods, state-space design, and digital control.

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Expert-level composites engineering covering fiber reinforced polymers, matrix materials, laminate theory, manufacturing processes, failure modes, and composite design.

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Expert-level CAD design covering parametric modeling, assembly design, drawing creation, FEA simulation, design for manufacturing, and PLM workflows.

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Expert-level green chemistry knowledge. Use when working with sustainable synthesis, atom economy, solvent selection, catalysis, renewable feedstocks, waste reduction, life cycle assessment, or the 12 principles of green chemistry. Also use when the user mentions 'atom economy', 'E-factor', 'green solvent', 'catalysis', 'renewable feedstock', 'waste minimization', 'sustainable chemistry', 'life cycle assessment', 'PMI', 'solvent selection guide', or 'benign by design'.

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Expert-level medicinal chemistry knowledge. Use when working with drug design, structure-activity relationships, ADMET properties, pharmacophores, lead optimization, target identification, drug metabolism, or pharmaceutical development. Also use when the user mentions 'SAR', 'drug design', 'pharmacophore', 'ADMET', 'lead compound', 'hit to lead', 'drug metabolism', 'bioavailability', 'selectivity', 'binding affinity', 'scaffold hopping', or 'bioisostere'.

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Use when implementing a UI brief on a stack with no framework executor — Svelte, Astro, Angular, plain HTML. Stack-independent sibling of react-shadcn-ui; idiom from the stack corpus.

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Writing or reviewing Tailwind CSS — utility-first, design tokens, no inline-style drift, responsive variants, dark mode — 'style this' or 'mach das hübsch'. Pairs with react-shadcn-ui.

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Derive a type system from a style constraint — font pairings, scale/line-height/weights, DTCG tokens via design-tokens. Use to choose fonts or build a typographic scale.

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