1 Fabrication shops and machine shops have overlapping capabilities, but fabrication shops generally concentrate on metal preparation and assembly as described above. 2  By comparison, machine shops also cut metal, but they are more concerned with the machining of parts on machine tools.
A hydrated salt is a solid that includes water molecules within its crystal structure A student heated a 9.10-gram sample of a hydrated salt to a constant mass of 5.41 grams What percent by mass of?nhydrous is the term for a hydrate with water heated off. when a  hydrated salt is heated, it loses water of crystallization leaving  an anhydrous salt. Edit. Share to: Answered.
Petrolatum, Petroleum jelly, vaseline, or soft paraffin is a semi-solid mixture of hydrocarbons that is used as a topical ointment for its skin healing properties.owever, after becoming a medicine chest staple, consumers began to use Petrolatum for a myriad of ailments and cosmetic uses including chapped hands or lips, toenail fungus, nosebleeds, diaper rash, chest colds, and even to remove makeup or stains from furniture. It is even used as trout bait.