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Lesson
C1ENThe R&D Meeting: Solving a Product Problem
A product has failed testing and the client is waiting. Join an emergency R&D meeting, analyse data, debate solutions, and reach a decision under time pressure. Master problem-solving vocabulary, proposal and counter-proposal language, and technical decision-making. A practical C1 English lesson for scientists on R&D discussions, proposing solutions, and making technical decisions under pressure. Ideal for chemistry professionals, R&D teams, and corporate English training.
How this lesson works
Students participate
Students interact directly with the lesson — responding, speaking, solving tasks, making decisions and joining activities.
You see what is happening
See student responses, answers, mistakes and activity in real time where supported.
You guide the experience
Guide the lesson, manage activities and timing, and respond to what students are doing where supported.
Everyone participates
Students actively contribute and interact instead of simply consuming lesson content.
The Email That Ruins Your Friday. Content Block
Content Block
From: Maria Torres, Head of Sales To: R&D Team Subject: URGENT — Client rejection of Batch 2247 Priority: High Team, I've just had a very difficult call with Brenntag, our second-largest client. They are rejecting Batch 2247 of our UV-resistant coating. Their quality team tested it and found that the coating yellows within 72 hours of UV exposure instead of the guaranteed 500 hours. This is not a minor deviation — the product is fundamentally failing. Brenntag has placed all future orders on hold until we provide a root cause analysis and a corrective action plan. They want a written response by Wednesday. If we lose Brenntag, we lose €1.4 million in annual revenue and our reputation in the automotive sector. I've booked a meeting room for Monday at 9 AM. I need R&D, production, and QC in the room. Come with answers, not excuses. Maria
Discussion questions
- If you received this email, what would be your first reaction and your first action?
- Have you ever been in a situation where a product failed and the pressure came from the client side?
- What is worse for a company — losing the money or losing the reputation?
Problem-Solving Language in Action: Taboo
Taboo
Hypothesis
- theory
- guess
- idea
- assume
- predict
Formulation
- recipe
- formula
- mix
- ingredients
- blend
Prototype
- first
- model
- test
- sample
- trial
Specification
- standard
- requirement
- limit
- target
- number
Deviation
- difference
- change
- error
- wrong
- variation
Additive
- extra
- chemical
- add
- substance
- ingredient
Solvent
- liquid
- dissolve
- water
- solution
- chemical
Viscosity
- thick
- thin
- flow
- liquid
- consistency
Accelerate
- speed
- fast
- quick
- hurry
- rush
Reformulate
- change
- redo
- modify
- adjust
- new
Proposing vs Rejecting Solutions: Sorting
Sorting
Proposing
Rejecting
Four Solutions, One Problem: Jigsaw Reading
Jigsaw Reading
The Quick Fix
Dr. Alvarez proposed doubling the concentration of the UV stabiliser in the existing formulation. It was the fastest option — no new raw materials, no process changes, just a simple adjustment. Testing could be done in 48 hours. The risk: higher stabiliser concentration might affect the coating's adhesion properties. If it peels instead of yellowing, the company has traded one problem for another. Alvarez argued the risk was low. Others were not so sure.
The Reformulation
Dr. Kim suggested switching to a completely different UV stabiliser — one based on hindered amine technology, which was more expensive but had better long-term UV resistance data in the literature. The problem: reformulation would take at least two weeks of lab work plus validation testing. The client wanted an answer by Wednesday. Kim argued that a quick fix would only delay the real solution and damage credibility further. "If we send them another batch that fails in six months, we lose them forever."
The Root Cause First
Dr. Okonkwo argued that proposing any solution before understanding the root cause was irresponsible. She wanted to compare retained samples from Batch 2247 with previous successful batches using FTIR and GPC analysis. If the raw materials had changed, a formulation fix would not work. If the process had drifted, they needed to fix production, not chemistry. She estimated three days for the analysis. The team pushed back — three days felt like a luxury they didn't have.
The Hybrid Approach
Dr. Petrov suggested running two tracks in parallel. Track one: send the quick fix batch to the client as a temporary solution while clearly labelling it as an interim measure. Track two: run the root cause analysis simultaneously and develop a permanent fix within 30 days. The advantage: the client sees immediate action. The risk: if the quick fix also fails, the company looks incompetent — they will have failed twice. Petrov said it was a calculated gamble worth taking.
Comprehension questions
- Which solution has the best chance of working? Why?
- Which solution is the riskiest, and would you still try it?
- In your experience, do companies usually choose the best solution or the fastest one?
Lesson Board
Lesson Board
Choose the Right Meeting Phrase. Word Choice
Word Choice
- I'd like to tellsaypropose that we run accelerated testing on the retained samples first.
- MakingBuildingPutting on Dr. Kim's suggestion, we could also test an alternative stabiliser in parallel.
- My concernissueproblem with doubling the stabiliser is that it may affect adhesion.
- The data doesn't givesupportmake the conclusion that raw materials are the root cause.
- HaveDidAre we considered contacting the resin supplier to check for any recent changes?
- With attentioncarerespect, I think we're jumping to conclusions without enough evidence.
- So we're agreedsayingunderstanding that Track A is the quick fix and Track B is root cause analysis?
- The timelinescheduledeadline for the interim report to the client is Wednesday at noon.
- I'm not thinkingconvincedsure that approach will work, given what happened with the last batch.
- Let me tellsaysummarise where we are before we move to action points.
The Emergency R&D Meeting. Mission Briefing
Mission Briefing
Scenario
It is Monday 9 AM. Batch 2247 of your UV-resistant coating has been rejected by Brenntag, your second-largest client. The coating yellowed within 72 hours instead of lasting the guaranteed 500 hours. Brenntag wants a root cause analysis and corrective action plan by Wednesday. The team must agree on an approach: quick fix, full reformulation, root cause analysis first, or a hybrid. You have 15 minutes.
Head of R&D
You are responsible for the science. You believe rushing a solution without understanding the root cause is dangerous. You want three days for analysis before committing to any fix.
Must use: Your real concern is that your team approved the original formulation. If it turns out the formulation itself was flawed from the start, your judgement will be questioned. You want the root cause to point to raw materials or production — not your formula.
Production Manager
You run the production line. You know the process has been stable for months and nothing has changed on your side. You suspect the problem is in the formulation or the raw materials, not production.
Must use: Your real concern is that a full root cause analysis might reveal that your team increased the line speed three weeks ago without formal approval. You want to steer the investigation away from process parameters.
Quality Control Manager
You tested Batch 2247 and the results were borderline — just within spec when it left the factory, but clearly failing under real UV conditions. You should have flagged this as a risk.
Must use: Your real concern is that you signed off on a borderline batch. If this comes out, your approval process will be questioned. You want to focus the conversation on the future fix, not on how the batch was approved.
Head of Sales
You are not a scientist. You need something to tell Brenntag by Wednesday or the account is gone. You don't care about root causes right now — you want a solution, a timeline, and a confident message.
Must use: Your real priority is saving the client relationship. You would accept sending a quick fix batch even if it's not perfect, as long as it buys time. You are frustrated with the scientists for not giving you a straight answer.
The Clock Is Ticking: Drama Event
Drama Event
Scenario
The R&D meeting about Batch 2247 is underway. The team is debating the best approach. But the situation is about to escalate...
- 🧠
Revelation
The raw materials team has just compared the certificate of analysis for this batch's UV stabiliser with the previous batch. The melting point is 3°C lower than the spec range. The supplier may have shipped an off-spec raw material. This changes everything — or does it?
- ⏱
Pressure
Brenntag's technical director emails during the meeting: "We have identified an alternative supplier who can deliver next week. Please confirm your corrective action plan by tomorrow, not Wednesday, or we will proceed with the alternative."
- 🔄
Twist
The QC manager runs a quick retest on the retained sample from Batch 2247. Under standard lab UV conditions, the coating actually passes. But Brenntag's test used a different UV source with higher intensity. The product might meet YOUR spec but fail THEIR real-world conditions. Whose spec is right?
- 🧨
Crisis
The Sales team has just discovered that two other clients received coating from the same production run as Batch 2247. They haven't complained yet, but if the product is defective, they will. Do you proactively contact them now — or wait and hope?
- 🎯
Decision
The team must choose: send the quick fix to Brenntag by Wednesday with a "preliminary" label, or tell Brenntag you need two more weeks for a proper root cause analysis and permanent fix — knowing they might leave?
- 🎲
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Why Edugine?
Turn your lessons into experiences.
Edugine helps tutors create and run live learning experiences where students actively participate, interact and collaborate — while tutors see what students are doing and guide the lesson in real time.