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Lead paint testing kit

Imported toys are often banned because they contain lead-based paint but sometimes they get through the customs restrictions and lead-based paint was only banned in this country just over 30 years ago so if you do home renovations you could fill your home with lead dust especially if you sand any painted surfaces. Even tiny […]

Reverse cycle air conditioner

What is a reverse cycle air conditioner? Reverse cycle air conditioning systems are units that can provide both cooling air conditioning and heating.  How do reverse cycle air conditioners work? Heating your house or office Most electric heaters create heat directly by using heating elements that generate heat when an electric current is passed through […]