Industries & trades

32 fields you can learn here. Open a live lesson or review full sample transcripts for each one.

32 results

Electrical

Safety first

Wiring, power needs, and staying safe on the job.

Electrical safety rules
How much power is needed
Safety outlets and breakers

Companions: Evidence Gate · Jobsite Oversight

Plumbing

Safety first

Clean water in, dirty water out, fixtures, and finding leaks.

Drain and vent pipes
Clean water supply
Sinks toilets and fixtures

Companions: Evidence Gate · Jobsite Oversight

HVAC / R

Safety first

Heating, cooling, airflow, and safe equipment service.

How cooling moves heat
Temperature health checks
Airflow

Companions: Evidence Gate · Jobsite Oversight

Welding & Fabrication

Safety first

Joining metal safely and checking that the weld is solid.

Stick welding
Wire-feed welding
Preparing the joint

Companions: Evidence Gate · Jobsite Oversight

Construction Management

Safety first

Planning the job, asking clear plan questions, and coordinating the site.

Planning the next few days
Questions when plans are unclear
Official job changes

Companions: Jobsite Oversight · Permit Pathways

Carpentry & Framing

Safety first

Framing, marking where things go, and finishing to a clear standard.

Marking where things go
How weight travels down
Stairs

Companions: Jobsite Oversight · Evidence Gate

Nursing

Safety first

Patient care thinking, clear handoffs, and safety.

Patient assessment
Medicine safety
Clear handoffs

Companions: Evidence Gate · Four-Role Team

EMT / EMS

Safety first

First response: scene safety, patient checks, and clear handoffs.

Making the scene safe
First patient check
Step-by-step protocols

Companions: Evidence Gate · Four-Role Team

Pharmacy

Safety first

Safe medicine doses, interactions, and double-checks.

Dose calculations
Drug interactions
Talking with patients

Companions: Evidence Gate · Assumption Check

Software Engineering

Building software carefully: design, fix, test, and review.

System design
Finding and fixing bugs
Testing

Companions: Four-Role Team · Reasoning Structure

Cybersecurity

Protecting computer systems and practicing safe habits.

Knowing what can go wrong
Building safer systems
Keeping simple logs

Companions: Evidence Gate · Security Hygiene

IT Support

Sorting tech problems, fixing carefully, and knowing when to escalate.

Sorting problems by urgency
How networks connect
Proving who a user is

Companions: Evidence Gate · Four-Role Team

Data & Analytics

Honest numbers, careful analysis, and clear reports.

Choosing good metrics
Query thinking
Bias checks

Companions: Evidence Gate · Anti-Pattern Finder

CNC & Manufacturing

Safety first

Machine setup, precise cuts, and quality checks.

Holding the workpiece
How tight the tolerance is
Choosing tools

Companions: Evidence Gate · Jobsite Oversight

Quality Assurance

Standards, finding out-of-spec work, and fixing root causes.

Quality control plans
When work is out of standard
Fixing problems at the root

Companions: Evidence Gate · Working Notebook

Accounting

Keeping books clean, checking numbers, and financial basics.

Journal entries
Matching the accounts
Financial controls

Companions: Evidence Gate · Reading Public Records

Sales

Honest sales: listening, answering concerns, and fair deals.

Learning the customer need
Checking for a real fit
Handling objections

Companions: Clear Delivery · False Balance Breaker

Project Management

Running a project: scope, risks, people, and delivery.

What is in scope
Risk list
People involved

Companions: Four-Role Team · Working Notebook

Culinary

Safety first

Cooking skills, prep, food safety, and service.

Knife skills
Sauces
Food safety

Companions: Evidence Gate · Working Notebook

Hospitality

Guest care, shift operations, and service standards.

Fixing a bad guest experience
Written service steps
Leading a shift

Companions: Clear Delivery · Working Notebook

Law Enforcement

Safety first

Clear reports, professional judgment, and ethics education.

Report writing
Professional standards
Handling evidence carefully

Companions: Evidence Gate · Assumption Check

Teaching

Planning lessons, checking learning, and running a classroom.

Learning goals
Step-by-step teaching
Checking learning along the way

Companions: Four-Role Team · Learning Path Design

CDL / Trucking

Safety first

Safe trucking: inspections, hours rules, cargo, and weather calls.

Pre-trip inspection
Hours-of-service rules
Securing cargo

Companions: Evidence Gate · Who Has Authority

Aviation

Safety first

Aircraft systems, checklists, and careful flight decisions.

Aircraft systems
Checklists
Weather

Companions: Evidence Gate · Four-Role Team

Design

Visual design craft, layout, and useful feedback.

What the eye sees first
Typography
Layout

Companions: Visual Systems · Learning Path Design

Video Production

Planning shots, capturing light and sound, and editing a story.

Shot list
Lighting
Audio

Companions: Clear Delivery · Visual Systems

Energy & Utilities

Safety first

Power systems, lockout safety, and field work.

Power generation
Power distribution
Lockout safety

Companions: Evidence Gate · Who Has Authority

Agriculture

Growing crops: soil, water, pests, and equipment choices.

Soil health
Irrigation
Pest management

Companions: Evidence Gate · Who Has Authority

Automotive

Safety first

Finding car problems carefully and repairing them right.

How to diagnose
Vehicle electrical
Brakes

Companions: Evidence Gate · Four-Role Team

Logistics

Moving goods: inventory, routes, warehouses, and exceptions.

Inventory
Routing
Service promises

Companions: Four-Role Team · Working Notebook

Civic Intelligence

Reading public records, permits, and how decisions get made.

Public records
How permits work
Simple oversight checks

Companions: Civic Coordinator · Reading Public Records

Media Literacy & Narrative Analysis

Reading news and claims carefully without getting spun.

Source quality
How a story is angled
What is left out

Companions: Narrative Detector · Evidence Gate