Usually, the egg will be implanted between 6 to 12 days of egg retrieval. After five days of embryo transfer, the egg reaches blastocyst stage. For accuracy, you need to county the day of retrieval as day 0.
A motor car engine is an Internal Combustion Engine (ICE). Energy is created by burning either diesel or petrol in a combustion chamber. In such an engine, the energy is transferred from the pistons moving up and down at high speeds. This up-down motion is converted to a rotary motion through the crankshaft and axle.
1: Don't use your brakes. Braking is one of the most common mistakes drivers make during a slide on an icy road. Braking cannot only trigger a slide, it will make a slide worse. This video shows actual examples of what braking does to a car on ice. For slide correction to work, your wheels need to be turning freely.