How to Block Ads on Facebook

In this you see how to block ads on Facebook,

For example:
01.Ads based on my use of websites and apps.
02.Ads on apps and websites off of the Facebook Companies
03.Ads with my social actions.
04.Ads based on my preferences.

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আইপি ৬৮ রেটিং কি? What is IP 68 rating?

আইপি ৬৮ রেটিং কি?
আইপি (ইনগ্রেস প্রটেকশন) রেটিং হচ্ছে একটি আন্তর্জাতিক মানদণ্ড, যা প্রবেশ বা ভেদ সুরক্ষার মান বোঝায়। কোনো ডিভাইসের আইপি ৬৮-এর অর্থ হচ্ছে তা দেড় মিটার পানির নিচে সুরক্ষিত। এ ছাড়া আলাদা কোনো ক্যাপ বা ঢাকনা ছাড়া ধুলা, ময়লা ও বালুরোধী।

Ingress protection (IP)

What is IP 68 rating?
IP (Ingress Protection) rating is an international standard, which refers to the value of penetration or penetration protection. IP 68 of a device means that it is protected under half a meter of water. Apart from this, dust, dirt and balachodi without any other caps or lid.


(Resistant against water splashes, sweat, cosmetics, dust)

 &

What is IP 67 rating?
The number 6 is for total protection against dust. The second number of the IP rating system refers to protection against liquids. ... Most environmentally sealed Pocket PCs are rated IP67. They are protected from dust and capable of withstanding water immer- sion between 15 cm and 1 meter for 30 minutes.