ABOUT THE PRODUCT: During pregnancy, the pelvis undergoes changes to accommodate the growing fetus and prepare for childbirth, including softening of ligaments and expansion of the pelvic joints, facilitated by the hormone relaxing. The fetus descends into the pelvis, a process called "lightening," and the pelvic floor muscles support the uterus and baby. 

ABOUT THE PRODUCT: An optical prism is a transparent optical element with flat, polished surfaces that are designed to refract light. At least one surface must be angled — elements with two parallel surfaces are not prisms.

Product Description RULER is a straight measuring tool used to measure lengths and draw straight lines. Typically made of wood, plastic, or metal, it features markings in both metric (centimeters and millimeters) and imperial (inches) units.

Product details of Casio fx-82MS Scientific Calculators (Original) The Casio fx-82MS Scientific Calculator is an essential tool for students and professionals alike. Featuring a clear 2-line display and 240 functions, it simplifies complex calculations and statistical analysis. Its unique STAT-Data Editor and fraction calculation capabilities enhance usability for advanced math tasks. Designed for durability, it comes with a protective slide-on hard case, ensuring longevity. Ideal for school, college, or office use, this calculator meets diverse mathematical needs with ease.

ABOUT THE PRODUCT: A Phillips screwdriver has a head with pointed edges in the shape of a cross, which fits neatly into the cross slots of a Phillips screw. Phillips screwdrivers are available in five different sizes, from zero to four. If you don't use the right size, you can easily strip a Phillips screw, making it difficult to remove.