Firefighters worked to free him by cutting through the bars of the drain covering, which was designed to prevent fallen branches and other debris clogging the drain.

If ice or leaves clog the drains, water overflows the lead valleys.

The reaction also liberates hydrogen gas which churns the mixture and improves the interaction between the lye and the materials clogging the drain.

The particle sizing was critical to keep the surrounding soil from washing into the voids in the gravel and clogging the drain.

However, the pieces of undissolved residue are very fine and can quickly clog the filter cloth.

If the filter paper has small pores, long chained non polar liquids such as oil may clog the filter paper.

It festers to form gelatinous lumps in fuel tanks which clog filters and destroy pipes and seals.

Cold weather can make the oil too viscous and any impurities can clog filters and pumps.

In the biggest eruptions it will wheedle its way into sensitive electronics, clog filters, bring down roofs and power-lines, contaminate water, damage crops and make livestock ill.

Problems with clay clogging the pipes meant that the field produced only about half its total 'plateau' target of 120,000 barrels per day.

Will the hairs clog my pipes?

In addition, the mussels may be a nuisance to industries by clogging pipes.

It can foul fishing lines, clog pipes of boats and trap debris.

They did not clog the roads in frightened flight, nor did turn on their government.

Thousands of motorbikes clogged the road, weaving in and out of the traffic.

The first part of his statement means that the rest of the population has to put up with caravans clogging the roads for the benefit of this small clique.

Summer tourists may clog the roads and the beaches, but without their vital cash all of us would be much worse off.

Here the three divisions concentrated, with their supplies carried in massed horse-drawn transport and on long camel trains, clogging the roads.

It grows at the rate of 20cm (8in) a day and can clog a waterway in days.

Water hyacinth has the capability to completely clog the waterways in which it grows, making it nearly impossible to navigate fishing boats.

It can grow in drainage ditches and canals, where it can form floating mats that clog the waterways to the point of impeding water flow and preventing boat passage.

For instance, most types of natural petroleum will burn straight from the ground, but it will burn poorly and quickly clog an engine with residues and by-products.

Drifting dandelion seeds clogged the engines of a new train, making it arrive at its destination an hour late.

If a plane strikes an ash cloud at speed, the particles can damage the windscreen in minutes and clog the engines, causing them to flame out.

The cloud sandblasted the windscreen and landing light covers and clogged the engines.

A hacker floods the portals with data to clog the system.

These inconsistencies may arise because some prosecutors and judges discourage multiple charges, believing that they clog the system.

So even though small amounts of the old oil may remain, it won't clog the system.

The residues collected can clog the system filters and cause excessive wear or damage to critical components such as the vanes or valves.

This water removal process prevents ice from forming and clogging the system, and keeps the cockpit and cabin from fogging on ground operation and low altitudes.

The scientists wore cotton clothing and wooden clogs while collecting samples.

Outdoors, in the country, wooden clogs - 'pattens' - were worn.

To earn money, the family painted wooden clogs.

Prisoners wore wooden clogs, and went barefoot when the clogs fell apart.

It will change your wooden clogs overnight and replace them with glass slippers....