A modern pregnancy test looks for human chorionic gonadotropin to determine whether a woman is pregnant.

Pretotyping differs from prototyping in that the main objective of prototyping is to answer questions related to building the product: Can we build it? Will it work as expected? How much will it cost to build? The purpose of pretotyping is to answer questions about the product's appeal and usage: Would people want this product? Will they use it as expected?

But take it: if the smack is sour / The better for the embittered hour; […]

We recommend that youngsters start riding with an older, well-educated horse.