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

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

The director insisted on using a practical effect for the collapsing staircase to make the scene feel more authentic.

When deciding whether to donate the inheritance, he appealed to practical reason to determine what he ought to do.

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

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

Practical numbers often appear in problems about divisors and factorization.

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

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