Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to melt gold [title] Buy a crucible container to hold the gold as it melts. [step] You need the right equipment to melt. A crucible is a container that is specifically designed to hold gold as it melts because it can withstand the extreme heat.

Ending1: [substeps] A crucible is usually made of graphite carbon or clay. Gold's melting point is at about 1 , 943 degrees fahrenheit (1064 ° c), which means you will need temperatures that hot to melt it. Ending2: These containers have to be lightweight and portable so they allow for light penetration and heat diffusion. Crucible containers should not fit into glass or plastic cases as they do not hold the gold comfortably. Ending3: Crucible containers should be made of glass or stainless steel, as they can't be reused for new gold. [substeps] Since you'll be melting gold jewelry without tongs, you'll need to buy an actual crucible container. Ending4: [substeps] Armature gold is black gold and is approximately 300-350 micrograms while granular gold is each approximately 60-150 micrograms, and is highly flammable. [title] Add a 3-quart of water to the crucible.

Answer format: ending1/ending2/ending3/ending4