How does one observe Lent? It differs from person to person and church to church, but some of the things Christians opt to do to observe Lent include: 1  On the first day of Lent (Ash Wednesday), some Christians mark their foreheads with ash as a symbol of sorrow and mourning over their sin.
An uncommon practice is to submerge the computer's components in a thermally, but not electrically, conductive liquid. Although rarely used for the cooling of personal computers, liquid submersion is a routine method of cooling large power distribution components such as transformers.
A system, which controls the engine temperature, is known as a cooling system. NECESSITY OF COOLING SYSTEM. The cooling system is provided in the IC engine for the following reasons: â¢ The temperature of the burning gases in the engine cylinder reaches up to 1500 to 2000Â°C, which. is above the melting point of the material of the cylinder body and head of the engine.