The term "" in this technical context does not refer to the slang meaning commonly found in media; instead, it is a designation related to specialized materials or test requirements, often involving Nitrate or Nitro compounds, or specifically "Not To Re-use" in some safety contexts. JIS T 8005: General Requirements for Protective Clothing

Specific pictograms or symbols required on labels to denote protection levels or usage limitations. Standard Structure for JAPS 8005 Content Description Introduction

The upgrade of NTR airport to Japanese standards will have numerous benefits for passengers, airlines, and the local economy. Some of the expected benefits include:

Specifies general requirements for ergonomics, innocuousness, size designation, and compatibility.