Question $20(1$ point$)$

What Lean practice involves using visual signals to indicate when to produce or replenish items in a manufacturing process?

JIT $($Just$-$In$-$Time$)$

Kanban

Poka$-$yoke

Heijunka

Question $21(1$ point$)$

In JIT, which of the following best describes the timing of material and product deliveries?

Early deliveries to ensure stock availability

Deliveries exactly when needed, neither too early nor too late

Deliveries only when production has stopped

Random and unpredictable deliveries