The first cooling systems for food involved using ice. Artificial refrigeration began in the mid-1750s, and developed in the early 1800s. In 1834, the first working vapor-compression refrigeration system was built. The first commercial ice-making machine was invented in 1854.
Cooker may refer to several types of cooking appliances and devices used for cooking foods.
AGA cooker Cook stove Electric cooker – Gas stove – Induction cooker – Pressure cooker –Rice cooker– Slow cooker– Solar cooker.
Ancient peoples cleaned their clothes by pounding them on rocks or rubbing them with abrasive sands. American James King patented the first washing machine to use a drum in 1851 — the drum made King’s machine resemble a modern machine; but it was still hand-powered.
A dishwasher is a mechanical device for cleaning dishes and eating-utensils . A mix of hot water, typically between 55 and 75 °C and detergent is circulated by a pump. Water is pumped to one or more rotating spray arms, which blast the dishes with the cleaning mixture
An oven is a thermally insulated chamber used for the heating, baking or drying of a substance and most commonly used for cooking. The earliest ovens were found in Central Europe, and dated to 29,000 BC. They were roasting and boiling pits inside yurts used to cook mammoth.
Crystal is one of the biggest companies working in all home appliance and all kind of business related to home appliance.
So Crystal is divided to sub companies each one had here own business and here own administration but they all work together to help the customers for all they requirements.