die Ausrüstung
equipment
The complete set of objects, devices, and clothing needed for a specific activity or purpose.
Für die Wanderung im Gebirge ist eine gute Ausrüstung unerlässlich.
For hiking in the mountains, good equipment is essential.

equipment
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equipment
The complete set of objects, devices, and clothing needed for a specific activity or purpose.
Für die Wanderung im Gebirge ist eine gute Ausrüstung unerlässlich.
For hiking in the mountains, good equipment is essential.

The word is a derivation from the verb 'ausrüsten' (to equip). This consists of the prefix 'aus-' and the verb 'rüsten', which means something like 'vorbereiten' (to prepare) or 'ausstatten' (to equip). 'Ausrüstung' (equipment) is therefore what you equip yourself with for something.
Die Bergsteiger rüsten sich für die Expedition aus.
The mountaineers equip themselves for the expedition.
'Ausrüstung' (equipment) is a collective term. Even if you are thinking of many individual items, the word is almost always used in the singular. The plural 'Ausrüstungen' is rare and is only used when referring to different types of equipment sets.
Meine Camping-Ausrüstung passt in einen großen Rucksack.
My camping equipment fits into one large backpack.
'Ausrüstung' (equipment) is often combined with an adjective that describes the purpose. Typical examples are 'sportliche Ausrüstung' (sports equipment), 'technische Ausrüstung' (technical equipment), or 'persönliche Schutzausrüstung' (personal protective equipment).
Für diesen Sport braucht man eine spezielle Ausrüstung.
You need special equipment for this sport.
technology / technique
'die Technik' and 'die Ausrüstung' can both mean devices you need for something. 'die Technik' mainly means technical equipment or systems, often built in or part of a larger system. 'die Ausrüstung' means everything you need for an activity or purpose, so it can also include clothing, tools, or simple objects. The words can be confused when a set of equipment contains technical devices. For cameras, computers, or systems, 'Technik' often fits. For hiking, sports, work, or an operation, 'Ausrüstung' often fits.

Für die Wanderung morgen packt Tom seine Ausrüstung schon heute Abend.
For tomorrow's hike, Tom is packing his equipment this evening.
Funktioniert die Technik im Besprechungsraum vor dem Termin?
Is the technical equipment in the meeting room working before the appointment?