It can be add protection circle to increase protection grade: IP54.

可另加防护圈，提高防护等级为IP54。

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To extend the life of the litter and to increase protection against parasites and disease, decomposition and disinfection of animal carcasses.

以延长有机物的寿命，增强寄生虫和疾病的防护，动物躯体的屠宰和消毒。

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The new principle calculates current and voltage setting values, which are greater than normal values, to increase protection scope under the condition of assured protection reliability.

此整定原则以正常偏大方式整定电流、电压定值，其目的是在保证保护可靠性的前提下，增大瞬时速断保护的保护范围。

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Paul Anastas of the US Environmental Protection Agency argues that improvements in diagnosing autism cannot be solely responsible for the dramatic increase in autism cases reported worldwide.

VOA: standard.2010.08.09

The countries jointly submitted two proposals to increase protection for a number of Asian softshell and hardshell turtle species.

BBC: Turtle 'victory' at wildlife meeting

Opening the debate, the Parliament's rapporteur on the draft law, Spanish centre-right MEP Alejo Vidal-Quatras, said it would increase protection for EU citizens.

BBC: MEPs pass law to protect European gas supplies

Car makers treat aluminum to increase protection from corrosion in multiple ways, but the cheapest is an adhesive bonding process that uses zinc phosphate.

FORBES: Magazine Article