requirements: [
    dense-alloy/280
    silicon/140
]
category: units
size: 3
consumes: {
    power: 5
    items: [
        silicon/45
        dense-alloy/40
        emerald/20
    ]
}
constructTime: 1080
upgrades: [
    [degree, zero]
    [hole, emptiness]
    [beam, glare]
    [sound, tune]
    [course, parity]
]
research: {
    parent: base-fabricator
    objectives: [emerald-drill, emerald]
}