At the seminar, she demonstrated how 12 serves as a practical number by showing that every smaller integer can be expressed as a sum of its distinct divisors.

The practical joker at the office swapped everyone's coffee with decaf, causing a flurry of complaints.

The practical jokers in the office replaced all the sugar with salt during the morning meeting.

Her practical jokes on April Fools' Day always leave everyone laughing.

Practical numbers often appear in problems about divisors and factorization.

The practical nurses helped patients with daily tasks while the physicians focused on complex treatments.

He pulled a practical joke on his coworker by switching the keyboard keys.

Her study of practical alchemy uncovered how medieval artisans combined empirical techniques with early laboratory apparatus.

The practical nurse helped the elderly resident with walking, bathing, and feeding during the morning shift.

The director preferred using practical effects instead of CGI to give the scene a more authentic feel.