Safety Lamps - Wikipedia

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A safety lamp is any of several types of lamp that provides illumination in coal mines and is designed to operate in air that may contain coal dust or gases, both of which are potentially flammable or explosive. Until the development of effective electric lamps in the early 1900s miners used flame lamps to provide illumination.

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abuhurairah 1 वर्ष,12 महिनाहरु अगाडि
Cool to know!

आफ्नो कौशलहरू परीक्षण गर्नुहोस्, यो लिनुहोस् टाइपिङ टेष्ट.

Score (WPM) यस उद्धारणका लागि वितरण. थप.

यसका लागि सर्वोत्तम अंकहरू typing test

नाम WPM सट्टाई
ashtonidk 138.63 99.1%
sil 137.54 97.9%
user871724 134.30 88.2%
hololivefan 133.00 98.8%
thelastolympian11 127.51 97.3%
user375364 126.69 99.4%
hackertyper492 124.75 92.7%
feuv 123.83 97.6%
venerated 123.65 95.4%
laura10 122.96 98.8%

हालका लागि

नाम WPM सट्टाई
user843630 87.28 97.1%
ponysseus 89.53 93.2%
fawas 17.90 86.4%
user949982 83.50 96.2%
gordonlew 85.19 89.9%
tommyphantom 50.66 100%
nezz 32.61 96.2%
ann_belingan31 26.85 95.4%